US Bridges

Local over Willow Creek

FairPosted for load

Carroll County, Iowa · 083330301 · Structure no. 000000000094040

Built
1900
125 years old, rebuilt 1986
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Willow Creek is a wood or timber stringer/multi-beam or girder carrying Local over Willow Creek in Carroll County, Iowa. It was built in 1900 and reconstructed in 1986, so it is 125 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 6 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 other load-capacity restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 46 ft (14 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal
CrossesWillow Creek
Location083330301
RouteCounty Highway 0
StateIowa
Coordinates42.03494, -94.68507
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length46 ft (14 m)
Longest span23 ft (7 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 Willow Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1986.

What condition is Local over Willow 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 Local over Willow Creek carry?

About 26 vehicles per day (2022 count).

How long is Local over Willow Creek?

The structure is 46 ft (14 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns Local over Willow Creek?

It is owned by the County Highway Agency.