US Bridges

140th ST over Branch of Wolf Creek

Good

Tama County, Iowa · 086132405 · Structure no. 000000000320282

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
44
2022 count
Owner
County
County Highway Agency

About this bridge

140th ST over Branch of Wolf Creek is a steel culvert carrying 140th ST over Branch of Wolf Creek in Tama County, Iowa. It was built in 2020, so it is 5 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 44 vehicles a day, projected to reach 44 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries140th ST
CrossesBranch of Wolf Creek
Location086132405
RouteCounty Highway 0
CountyTama County
StateIowa
Coordinates42.24341, -92.31239
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic44 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 140th ST over Branch of Wolf Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is 140th ST over Branch of Wolf 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 September 2024.

How much traffic does 140th ST over Branch of Wolf Creek carry?

About 44 vehicles per day (2022 count).

How long is 140th ST over Branch of Wolf Creek?

The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.4 m).

Who owns 140th ST over Branch of Wolf Creek?

It is owned by the County Highway Agency.