US Bridges

FM over West Creek

Fair

Clarke County, Iowa · 073262506 · Structure no. 000000000115411

Built
1971
54 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
428
2022 count
Owner
County
County Highway Agency

About this bridge

FM over West Creek is a concrete continuous slab carrying FM over West Creek in Clarke County, Iowa. It was built in 1971, so it is 54 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 428 vehicles a day, roughly 7% of them trucks, projected to reach 428 by 2043. The structure is 125 ft (38.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesWest Creek
Location073262506
RouteCounty Highway 0
StateIowa
Coordinates41.0994, -93.80494
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
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 inspectionSeptember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.6 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2022)
Projected traffic428 by 2043
Trucks7%
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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over West Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM over West 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 September 2023.

How much traffic does FM over West Creek carry?

About 428 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is FM over West Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns FM over West Creek?

It is owned by the County Highway Agency.