US Bridges

10th Ave over Little Maple River

Fair

Buena Vista County, Iowa · 090383001 · Structure no. 000000000366885

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

10th Ave over Little Maple River is a concrete continuous culvert carrying 10th Ave over Little Maple River in Buena Vista County, Iowa. It was built in 1984, so it is 41 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 71 ft (21.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries10th Ave
CrossesLittle Maple River
Location090383001
RouteCounty Highway 0
CountyBuena Vista County
StateIowa
Coordinates42.59074, -95.38806
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$30,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 10th Ave over Little Maple River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 10th Ave over Little Maple River 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 2023.

How much traffic does 10th Ave over Little Maple River carry?

About 11 vehicles per day (2022 count).

How long is 10th Ave over Little Maple River?

The structure is 71 ft (21.6 m) long with a longest span of 25 ft (7.6 m).

Who owns 10th Ave over Little Maple River?

It is owned by the County Highway Agency.