US Bridges

L51 140th ST over Willow Creek

Good

Crawford County, Iowa · 0.35 MI S NW Cor 11-83-41 · Structure no. 000000000128271

Built
2015
10 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
358
2022 count
Owner
County
County Highway Agency

About this bridge

L51 140th ST over Willow Creek is a concrete culvert carrying L51 140th ST over Willow Creek in Crawford County, Iowa. It was built in 2015, so it is 10 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 358 vehicles a day, roughly 23% of them trucks, projected to reach 358 by 2043. The structure is 27 ft (8.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesL51 140th ST
CrossesWillow Creek
Location0.35 MI S NW Cor 11-83-41
RouteCounty Highway 0
CountyCrawford County
StateIowa
Coordinates42.01829, -95.59499
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length27 ft (8.1 m)
Longest span27 ft (8.1 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic358 (2022)
Projected traffic358 by 2043
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was L51 140th ST over Willow Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is L51 140th ST over Willow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does L51 140th ST over Willow Creek carry?

About 358 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is L51 140th ST over Willow Creek?

The structure is 27 ft (8.1 m) long with a longest span of 27 ft (8.1 m) and a deck 30 ft wide.

Who owns L51 140th ST over Willow Creek?

It is owned by the County Highway Agency.