US Bridges

Local Road over West Fork Crooked Creek

FairPosted for load

Washington County, Iowa · 075081101 · Structure no. 000000000336521

Built
2008
17 years old
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
92 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over West Fork Crooked Creek is a steel girder and floorbeam system carrying Local Road over West Fork Crooked Creek in Washington County, Iowa. It was built in 2008, so it is 17 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 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 92 ft (28 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLocal Road
CrossesWest Fork Crooked Creek
Location075081101
RouteCounty Highway 0
CountyWashington County
StateIowa
Coordinates41.32233, -91.75409
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over West Fork Crooked Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Local Road over West Fork Crooked 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 February 2023.

How much traffic does Local Road over West Fork Crooked Creek carry?

About 50 vehicles per day (2022 count).

How long is Local Road over West Fork Crooked Creek?

The structure is 92 ft (28 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Local Road over West Fork Crooked Creek?

It is owned by the County Highway Agency.