US Bridges

Adams Ave over Clear Creek

Fair

Cedar County, Iowa · 082043008 · Structure no. 000000000105071

Built
1981
44 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

Adams Ave over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying Adams Ave over Clear Creek in Cedar County, Iowa. It was built in 1981, so it is 44 years old, younger 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 71 vehicles a day, projected to reach 71 by 2044. The structure is 143 ft (43.6 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAdams Ave
CrossesClear Creek
Location082043008
RouteCounty Highway 0
StateIowa
Coordinates41.87549, -91.35667
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length143 ft (43.6 m)
Longest span56 ft (17.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Adams Ave over Clear Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Adams Ave over Clear 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 May 2024.

How much traffic does Adams Ave over Clear Creek carry?

About 71 vehicles per day (2022 count).

How long is Adams Ave over Clear Creek?

The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17.1 m) and a deck 26 ft wide.

Who owns Adams Ave over Clear Creek?

It is owned by the County Highway Agency.