US Bridges

I-80 over No Name Creek

Fair

Iowa County, Iowa · 2.4 Mi. W of Jct. Ia 149 · Structure no. 000000000604750

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
31,400
2023 count
Owner
State
State Highway Agency

About this bridge

I-80 over No Name Creek is a concrete continuous culvert carrying I-80 over No Name Creek in Iowa County, Iowa. It was built in 1963, so it is 62 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 31,400 vehicles a day, roughly 36% of them trucks, projected to reach 31,400 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-80
CrossesNo Name Creek
Location2.4 Mi. W of Jct. Ia 149
RouteInterstate 80
StateIowa
Coordinates41.68764, -92.05466
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,400 (2023)
Projected traffic31,400 by 2044
Trucks36%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-80 over No Name Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-80 over No Name Creek 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 November 2024.

How much traffic does I-80 over No Name Creek carry?

About 31,400 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is I-80 over No Name Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns I-80 over No Name Creek?

It is owned by the State Highway Agency.