US Bridges

140th Ave over Small Stream

Good

Wapello County, Iowa · 071143508 · Structure no. 000000000330781

Built
2018
7 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
110
2022 count
Owner
County
County Highway Agency

About this bridge

140th Ave over Small Stream is a concrete continuous culvert carrying 140th Ave over Small Stream in Wapello County, Iowa. It was built in 2018, so it is 7 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 110 vehicles a day, projected to reach 110 by 2043. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries140th Ave
CrossesSmall Stream
Location071143508
RouteCounty Highway 0
CountyWapello County
StateIowa
Coordinates40.90657, -92.43385
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 inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)
Projected traffic110 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Ave over Small Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is 140th Ave over Small Stream 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 July 2021.

How much traffic does 140th Ave over Small Stream carry?

About 110 vehicles per day (2022 count).

How long is 140th Ave over Small Stream?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns 140th Ave over Small Stream?

It is owned by the County Highway Agency.