Scour Critical Bridges in Texas

3,912 bridges in Texas at risk from water erosion around foundations.

Scour Critical Bridges

Scour is the erosion of soil and rock around a bridge's foundation caused by moving water. When foundations are exposed or undermined, a bridge can collapse even if its deck and superstructure are in good condition. Scour is the leading cause of bridge failures in the US. These 3,912 bridges in Texas have been identified as vulnerable to scour damage.

Clear
Bridge State Scour Status Condition Year Built ADT
DRAW Texas Scour Critical — Countermeasures Ineffective Fair 1957 47,917
GRAPEVINE CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1979 47,751
GRAPEVINE CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1979 47,751
W FK SAN JACINTO RI Texas Scour Critical — Countermeasures Ineffective Fair 1994 47,121
SAN JACINTO RI E REL Texas Scour Critical — Countermeasures Ineffective Good 1994 47,121
SAN JACINTO RI W REL Texas Scour Critical — Countermeasures Ineffective Good 1994 47,121
BUFFALO BAYOU Texas Scour Critical — Countermeasures Ineffective Fair 2004 46,700
Piney Point Gulley Texas Scour Critical — Countermeasures Ineffective Fair 1931 46,429
Channel (NO FEMa ID) Texas Scour Critical — Countermeasures Ineffective Good 2024 46,415
HCFCD G103-37-02 Texas Scour Critical — Countermeasures Ineffective Good 2024 46,415
JORDAN GULLY Texas Scour Critical — Countermeasures Ineffective Good 2024 46,415
EAST ELM CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1957 46,341
La Quinta Drainage Ditch Texas Scour Critical — Countermeasures Ineffective Good 2024 45,911
DRAINAGE DITCH Texas Scour Critical — Countermeasures Ineffective Good 2002 45,662
OYSTER CREEK Texas Scour Critical — Countermeasures Ineffective Good 1967 45,662
DRAIN Texas Scour Critical — Countermeasures Ineffective Fair 2004 45,574
PHARR-MCALLEN LATERAL Texas Scour Critical — Countermeasures Ineffective Good 1985 45,389
DRAINAGE DITCH Texas Scour Critical — Countermeasures Ineffective Fair 1948 44,371
SCOTT CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1948 44,371
IH 69 WHITE OAK CREEK Texas Scour Critical — Countermeasures Ineffective Good 2016 43,992
DRAINAGE DITCH Texas Scour Critical — Countermeasures Ineffective Fair 2010 43,956
DRAIN Texas Scour Critical — Countermeasures Ineffective Good 1929 43,900
LONG BRANCH Texas Scour Critical — Countermeasures Ineffective Fair 1955 43,399
CLEAR CRK CHANNEL NO. 2 Texas Scour Critical — Countermeasures Ineffective Fair 1992 43,210
LITTLE CYPRESS CREEK Texas Scour Critical — Countermeasures Ineffective Fair 2015 42,740
DRAIN Texas Scour Critical — Countermeasures Ineffective Good 2018 42,502
DRAIN Texas Scour Critical — Countermeasures Ineffective Good 2021 42,502
WHITE ROCK CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1964 42,037
WHITE ROCK CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1964 42,037
DRAW Texas Scour Critical — Countermeasures Ineffective Fair 1965 41,907
HCFCD CHANNEL A-119-06 Texas Scour Critical — Countermeasures Ineffective Good 1989 41,860
FM 270 & COW BAYOU Texas Scour Critical — Countermeasures Ineffective Good 2008 41,441
OYSTER CREEK Texas Scour Critical — Countermeasures Ineffective Good 1984 41,211
HCFCD DRAINAGE DITCH Texas Scour Critical — Countermeasures Ineffective Good 2001 40,970
TURTLE CREEK Texas Scour Critical — Countermeasures Ineffective Good 1957 40,814
RUSH CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1972 40,249
LAKE CONROE CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1972 40,249
E PRONG WHITES CREEK Texas Scour Critical — Countermeasures Ineffective Fair 1965 40,131
DRAW Texas Scour Critical — Countermeasures Ineffective Good 1965 40,131
BUFFALO BAYOU Texas Scour Critical — Countermeasures Ineffective Fair 2006 40,030
HCFCD DITCH M122-00-00 Texas Scour Critical — Countermeasures Ineffective Good 2015 40,011
RESACA DE LOS FRESNOS Texas Scour Critical — Countermeasures Ineffective Good 2005 39,897
RESACA DE LOS FRESNOS Texas Scour Critical — Countermeasures Ineffective Good 2005 39,897
SHAWNEE CREEK Texas Scour Critical — Countermeasures Ineffective Good 1991 39,734
DRAIN Texas Scour Critical — Countermeasures Ineffective Good 1991 39,488
BEAR BRANCH CREEK Texas Scour Critical — Countermeasures Ineffective Fair 2010 39,251
OUTFALL 12 Texas Scour Critical — Countermeasures Ineffective Good 2010 39,251
STAFFORD RUN CREEK Texas Scour Critical — Countermeasures Ineffective Good 1984 39,170
AMERICAN WATER CANAL Texas Scour Critical — Countermeasures Ineffective Good 1984 39,170
DRAW Texas Scour Critical — Countermeasures Ineffective Good 2012 38,790

Scour Critical Rating Codes

Code 2 — UnaddressedBridge is scour critical with no countermeasures installed. The foundation is vulnerable and no protective action has been taken.
Code 3 — Countermeasures InstalledProtective measures (riprap, sheet piling, etc.) have been installed to reduce scour risk, but the bridge remains classified as scour critical.
Code 6 — Countermeasures IneffectiveProtective measures were installed but have been assessed as ineffective. The bridge requires re-evaluation and additional action.

About Scour Critical Bridges

Scour critical bridges have been identified through underwater inspection or analysis as having foundations that are unstable or could become unstable during flood conditions. FHWA requires action plans for all scour critical bridges. Famous scour failures include the 1987 Schoharie Creek Bridge collapse in New York.