US Bridges

Local over Small

Fair

Keokuk County, Iowa · 076110905 · Structure no. 000000000211516

Built
1979
46 years old
Condition
Fair
inspected March 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Small is a concrete continuous culvert carrying Local over Small in Keokuk County, Iowa. It was built in 1979, so it is 46 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.

It carries about 25 vehicles a day, projected to reach 25 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesSmall
Location076110905
RouteCounty Highway 0
StateIowa
Coordinates41.40982, -92.12534
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than 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 length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2043
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Small built?

It was built in 1979, making it 46 years old in 2025.

What condition is Local over Small 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 March 2022.

How much traffic does Local over Small carry?

About 25 vehicles per day (2022 count).

How long is Local over Small?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Local over Small?

It is owned by the County Highway Agency.