US Bridges

Local over West Nishnabotna River

FairPosted for load

Carroll County, Iowa · 082363102 · Structure no. 000000000093980

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

Local over West Nishnabotna River is a concrete continuous slab carrying Local over West Nishnabotna River in Carroll County, Iowa. It was built in 1968, so it is 57 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 6 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 79 vehicles a day, projected to reach 79 by 2044. The structure is 102 ft (31.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal
CrossesWest Nishnabotna River
Location082363102
RouteCounty Highway 0
StateIowa
Coordinates41.87416, -95.09293
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over West Nishnabotna River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Local over West Nishnabotna River 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 April 2024.

How much traffic does Local over West Nishnabotna River carry?

About 79 vehicles per day (2022 count).

How long is Local over West Nishnabotna River?

The structure is 102 ft (31.1 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns Local over West Nishnabotna River?

It is owned by the County Highway Agency.