US Bridges

C14 over Coulee Creek

Fair

Fayette County, Iowa · 093090201 · Structure no. 000000000151350

Built
1925
100 years old, rebuilt 1967
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
432
2022 count
Owner
County
County Highway Agency

About this bridge

C14 over Coulee Creek is a concrete continuous culvert carrying C14 over Coulee Creek in Fayette County, Iowa. It was built in 1925 and reconstructed in 1967, so it is 100 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 432 vehicles a day, roughly 9% of them trucks, projected to reach 432 by 2044. The structure is 27 ft (8.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC14
CrossesCoulee Creek
Location093090201
RouteCounty Highway 0
CountyFayette County
StateIowa
Coordinates42.90636, -91.87718
Functional classRural Major 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2022)
Projected traffic432 by 2044
Trucks9%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C14 over Coulee Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1967.

What condition is C14 over Coulee 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 October 2024.

How much traffic does C14 over Coulee Creek carry?

About 432 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is C14 over Coulee Creek?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns C14 over Coulee Creek?

It is owned by the County Highway Agency.