US Bridges

Local over Nodaway River West Fork

FairPosted for load

Adair County, Iowa · 074330901 · Structure no. 000000000055340

Built
1949
76 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
248 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Nodaway River West Fork is a steel truss - thru carrying Local over Nodaway River West Fork in Adair County, Iowa. It was built in 1949, so it is 76 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 13% of them trucks, projected to reach 30 by 2044. The structure is 248 ft (75.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesNodaway River West Fork
Location074330901
RouteCounty Highway 0
CountyAdair County
StateIowa
Coordinates41.23006, -94.65748
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating12 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length248 ft (75.6 m)
Longest span160 ft (48.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck14 ft (4.4 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Nodaway River West Fork built?

It was built in 1949, making it 76 years old in 2025.

What condition is Local over Nodaway River West Fork in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Local over Nodaway River West Fork carry?

About 30 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Local over Nodaway River West Fork?

The structure is 248 ft (75.6 m) long with a longest span of 160 ft (48.8 m) and a deck 24 ft wide.

Who owns Local over Nodaway River West Fork?

It is owned by the County Highway Agency.