Browse Bridge Database

4,646 bridges in the FHWA National Bridge Inventory in Idaho.

National Bridge Inventory Database

Browse 4,646 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

Bridge	Location	Condition	Year Built	Length	ADT
SMA 7445;SHERMAN AVE.IC	Idaho	Fair	1960	16.5 m	12,750
SMA 7445;SHERMAN AVE.IC	Idaho	Fair	1960	16.5 m	12,750
PORTER CANAL	Idaho	Fair	1962	7.9 m	12,750
PORTER CANAL	Idaho	Fair	1962	7.9 m	12,750
I 15B;BROADWAY ST.IC	Idaho	Fair	1962	53.3 m	12,750
I 15B;BROADWAY ST.IC	Idaho	Fair	1962	53.3 m	12,750
IDAHO CANAL	Idaho	Fair	1978	16.2 m	12,500
BRIDGE STREET	Idaho	Fair	2012	19.8 m	12,500
US 95NB OFF R;SAND CREEK	Idaho	Fair	2012	316.1 m	12,500
SETTLERS CANAL	Idaho	Fair	1975	18.0 m	12,500
BLACKFOOT RIVER	Idaho	Fair	1962	47.2 m	12,500
BLACKFOOT RIVER	Idaho	Fair	1962	47.2 m	12,500
W.BRIDGE ST.GS;UPRR OP	Idaho	Fair	1962	91.1 m	12,500
W.BRIDGE ST.GS;UPRR OP	Idaho	Fair	1962	78.6 m	12,500
US 26;WEST BLACKFOOT IC	Idaho	Fair	1962	47.9 m	12,500
US 26;WEST BLACKFOOT IC	Idaho	Fair	1962	47.9 m	12,500
J COULEE CANAL	Idaho	Fair	1954	9.8 m	12,500
J COULEE CANAL	Idaho	Fair	1966	14.0 m	12,500
I 184B E-W;EMERALD ST GS	Idaho	Fair	1968	88.7 m	12,500
SALEM UNION CANAL	Idaho	Fair	1984	8.5 m	12,500
2290 E	Idaho	Fair	1984	7.3 m	12,500
NOTUS CANAL	Idaho	Fair	1968	7.0 m	12,000
BOISE RIVER	Idaho	Fair	1994	95.4 m	12,000
PARADISE CRK;PED WALKWAY	Idaho	Fair	1983	10.7 m	12,000
EIGHT MILE LATERAL	Idaho	Fair	2000	11.0 m	12,000
SETTLERS CANAL 35/36 ST.	Idaho	Good	1989	62.2 m	12,000
MARSH CREEK	Idaho	Fair	1971	13.4 m	12,000
RIDENBAUGH CANAL	Idaho	Fair	1984	7.9 m	12,000
PHYLLIS CANAL	Idaho	Fair	2000	19.2 m	12,000
WILLOW CREEK	Idaho	Fair	2011	32.9 m	12,000
BLACK CANYON CANAL	Idaho	Fair	1966	26.5 m	12,000
SETTLERS CANAL	Idaho	Good	1993	7.0 m	12,000
SH 33;REXBURG IC	Idaho	Good	1981	47.9 m	12,000
SH 33;REXBURG IC	Idaho	Good	1981	47.9 m	12,000
STP7041;CHUBBUCK ROAD	Idaho	Good	2023	40.5 m	11,750
STC2767;VALLEY ROAD IC	Idaho	Fair	1966	34.7 m	11,750
UPRR;CHUBBUCK OVERPASS	Idaho	Fair	1963	51.8 m	11,750
UPRR;CHUBBUCK OVERPASS	Idaho	Good	2023	36.6 m	11,750
HILINE ROAD GS	Idaho	Fair	2009	33.8 m	11,750
HILINE ROAD GS	Idaho	Good	2010	33.8 m	11,750
BODENHEIMER ROAD GS	Idaho	Fair	1966	34.7 m	11,750
BODENHEIMER ROAD GS	Idaho	Fair	1966	34.7 m	11,750
S7046;UPRR;SCNCE CTR IC	Idaho	Fair	1987	77.4 m	11,750
S7046;UPRR;SCNCE CTR IC	Idaho	Fair	1970	77.4 m	11,750
US 20B;LEWISVILLE RD IC	Idaho	Good	1987	57.0 m	11,750
US 20B;LEWISVILLE RD IC	Idaho	Good	1987	57.0 m	11,750
STC2767;VALLEY ROAD IC	Idaho	Fair	1966	34.7 m	11,750
CRESTVIEW RD.GS	Idaho	Fair	1966	34.7 m	11,500
STC2744;MURTAUGH RD GS	Idaho	Good	1966	35.7 m	11,500
PEND OREILLE R;OLDTOWN B	Idaho	Fair	1988	377.0 m	11,500

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.