US Bridges

Local over W Fk W Nishnabotna River

PoorPosted for load

Crawford County, Iowa · 082383302 · Structure no. 000000000126550

Built
1944
81 years old
Condition
Poor
inspected May 2023
Type
Truss - Thru
Steel
Length
121 ft
1 main span
Daily traffic
46
2021 count
Owner
County
County Highway Agency

About this bridge

Local over W Fk W Nishnabotna River is a steel truss - thru carrying Local over W Fk W Nishnabotna River in Crawford County, Iowa. It was built in 1944, so it is 81 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 46 vehicles a day, roughly 11% of them trucks, projected to reach 46 by 2043. The structure is 121 ft (36.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesW Fk W Nishnabotna River
Location082383302
RouteCounty Highway 0
StateIowa
Coordinates41.86489, -95.28619
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.3 US tons
Inventory rating12.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length121 ft (36.9 m)
Longest span77 ft (23.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2021)
Projected traffic46 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on 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 W Fk W Nishnabotna River built?

It was built in 1944, making it 81 years old in 2025.

What condition is Local over W Fk W Nishnabotna River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Local over W Fk W Nishnabotna River carry?

About 46 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Local over W Fk W Nishnabotna River?

The structure is 121 ft (36.9 m) long with a longest span of 77 ft (23.5 m) and a deck 18 ft wide.

Who owns Local over W Fk W Nishnabotna River?

It is owned by the County Highway Agency.