US Bridges

Ia 2 over W Nishnabotna River Ovfl

Fair

Fremont County, Iowa · 1.1 Mi. E of E JCT US 275 · Structure no. 000000000025370

Built
1953
72 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
762 ft
18 main spans
Daily traffic
2,050
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 2 over W Nishnabotna River Ovfl is a steel continuous stringer/multi-beam or girder carrying Ia 2 over W Nishnabotna River Ovfl in Fremont County, Iowa. It was built in 1953, so it is 72 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.

It carries about 2,050 vehicles a day, roughly 11% of them trucks, projected to reach 2,050 by 2044. The structure is 762 ft (232.3 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIa 2
CrossesW Nishnabotna River Ovfl
Location1.1 Mi. E of E JCT US 275
RouteState Highway 2
CountyFremont County
StateIowa
Coordinates40.75052, -95.6065
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadH 20
Structure length762 ft (232.3 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2022)
Projected traffic2,050 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 2 over W Nishnabotna River Ovfl built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ia 2 over W Nishnabotna River Ovfl 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 January 2024.

How much traffic does Ia 2 over W Nishnabotna River Ovfl carry?

About 2,050 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Ia 2 over W Nishnabotna River Ovfl?

The structure is 762 ft (232.3 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Ia 2 over W Nishnabotna River Ovfl?

It is owned by the State Highway Agency.