US Bridges

Local over Cedar Creek

FairPosted for load

Mahaska County, Iowa · 074151304 · Structure no. 000000000235470

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Cedar Creek is a concrete continuous slab carrying Local over Cedar Creek in Mahaska 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 76 ft (23.2 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal
CrossesCedar Creek
Location074151304
RouteCounty Highway 0
StateIowa
Coordinates41.20572, -92.54493
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
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length76 ft (23.2 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 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 closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Cedar Creek built?

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

What condition is Local over Cedar 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 December 2024.

How much traffic does Local over Cedar Creek carry?

About 71 vehicles per day (2022 count).

How long is Local over Cedar Creek?

The structure is 76 ft (23.2 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns Local over Cedar Creek?

It is owned by the County Highway Agency.