US Bridges

Ia 281 over Wapsie River Overflow

Fair

Black Hawk County, Iowa · 2.7 Mi. W of SR V62 · Structure no. 000000000076000

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
1,240
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 281 over Wapsie River Overflow is a concrete continuous slab carrying Ia 281 over Wapsie River Overflow in Black Hawk County, Iowa. It was built in 1967, so it is 58 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 1,240 vehicles a day, roughly 23% of them trucks, projected to reach 1,240 by 2042. The structure is 77 ft (23.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIa 281
CrossesWapsie River Overflow
Location2.7 Mi. W of SR V62
RouteState Highway 281
StateIowa
Coordinates42.63499, -92.13238
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,240 (2022)
Projected traffic1,240 by 2042
Trucks23%
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

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 281 over Wapsie River Overflow built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ia 281 over Wapsie River Overflow 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 Ia 281 over Wapsie River Overflow carry?

About 1,240 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is Ia 281 over Wapsie River Overflow?

The structure is 77 ft (23.5 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Ia 281 over Wapsie River Overflow?

It is owned by the State Highway Agency.