Bridge Safety in North Dakota

4,250 bridges — 470 Poor condition — avg age 48 years.

Bridge Inventory

Total Bridges4,250
Good Condition1,782
Fair Condition1,998
Poor Condition470
Oldest BridgeBuilt 1885
Average Age48 years

Condition Summary

% Good41.9%
% Fair47.0%
% Poor11.1%

Highest-Traffic Poor Condition Bridges in North Dakota

Poor condition bridges sorted by daily traffic — the most urgent safety concerns.

Bridge Condition Year Built ADT Length
4TH AVE BNRR SOURIS R. Poor 1936 9,000
ND297/DEMERS AVE INT-GF Poor 1968 8,200
GOOSE RIVER Poor 1970 4,550
GOOSE RIVER Poor 1970 4,550
LITTLE MUDDY RIVER Poor 1954 3,495
LITTLE MUDDY RIVER Poor 2016 3,075
DRAIN DITCH #39 Poor 1958 2,850
CREEK Poor 2006 2,820
GOOSE RIVER Poor 1977 2,010
INTERMITTENT STREAM Poor 1971 1,970
CANNONBALL RIVER Poor 1962 1,450
SHEEP CREEK Poor 1964 1,300
SPRING CREEK Poor 1953 1,070
CREEK Poor 1971 940
BRANCH OF RAYMOND CREEK Poor 1950 780
WILD RICE RIVER Poor 1951 650
CREEK Poor 1931 640
CREEK Poor 1957 570
MAUVAIS COULEE Poor 1962 560
APPLE CREEK Poor 1965 518

Oldest Bridges in North Dakota

Bridge Condition Year Built Age ADT
GOOSE RIVER Fair 1885 141 yrs 20
TEPEE CREEK Fair 1900 126 yrs 15
CREEK Fair 1900 126 yrs 20
Creek Fair 1901 125 yrs 10
Creek Fair 1901 125 yrs 10
Creek Fair 1901 125 yrs 5
JAMESTOWN RESERVOIR Poor 1901 125 yrs 135
SOURIS RIVER Poor 1902 124 yrs 25
MOUSE RIVER Poor 1902 124 yrs 5
JAMES RIVER Poor 1904 122 yrs 50

Bridge Safety in North Dakota

Bridge condition data for North Dakota comes from the FHWA National Bridge Inventory. All publicly accessible bridges with a span over 20 feet are inspected at least every 24 months by certified bridge inspectors.