US Bridges

Ia 44 over West Nishnabotna River

Fair

Shelby County, Iowa · 1.3 Mi. E of Jct. U.S. 59 · Structure no. 000000000048001

Built
1978
47 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
295 ft
3 main spans
Daily traffic
3,960
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 44 over West Nishnabotna River is a prestressed concrete stringer/multi-beam or girder carrying Ia 44 over West Nishnabotna River in Shelby County, Iowa. It was built in 1978, so it is 47 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.

It carries about 3,960 vehicles a day, roughly 10% of them trucks, projected to reach 3,960 by 2044. The structure is 295 ft (89.9 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIa 44
CrossesWest Nishnabotna River
Location1.3 Mi. E of Jct. U.S. 59
RouteState Highway 44
CountyShelby County
StateIowa
Coordinates41.64548, -95.31307
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.8 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length295 ft (89.9 m)
Longest span97 ft (29.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,960 (2022)
Projected traffic3,960 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 44 over West Nishnabotna River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ia 44 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 July 2024.

How much traffic does Ia 44 over West Nishnabotna River carry?

About 3,960 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ia 44 over West Nishnabotna River?

The structure is 295 ft (89.9 m) long with a longest span of 97 ft (29.6 m) and a deck 47 ft wide.

Who owns Ia 44 over West Nishnabotna River?

It is owned by the State Highway Agency.