US Bridges

Yukon Av over Little Wapsi

Fair

Bremer County, Iowa · 093110102 · Structure no. 000000000080100

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
177
2022 count
Owner
County
County Highway Agency

About this bridge

Yukon Av over Little Wapsi is a concrete continuous slab carrying Yukon Av over Little Wapsi in Bremer County, Iowa. It was built in 1970, so it is 55 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 177 vehicles a day, roughly 10% of them trucks, projected to reach 177 by 2044. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesYukon Av
CrossesLittle Wapsi
Location093110102
RouteCounty Highway 0
StateIowa
Coordinates42.89982, -92.10139
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length78 ft (23.8 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic177 (2022)
Projected traffic177 by 2044
Trucks10%
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Yukon Av over Little Wapsi built?

It was built in 1970, making it 55 years old in 2025.

What condition is Yukon Av over Little Wapsi 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 Yukon Av over Little Wapsi carry?

About 177 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Yukon Av over Little Wapsi?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Yukon Av over Little Wapsi?

It is owned by the County Highway Agency.