US Bridges

Local over Stream

Fair

Keokuk County, Iowa · 074122404 · Structure no. 000000000210040

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Stream is a concrete continuous culvert carrying Local over Stream in Keokuk County, Iowa. It was built in 1960, so it is 65 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 5 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 30 vehicles a day, projected to reach 30 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesStream
Location074122404
RouteCounty Highway 0
StateIowa
Coordinates41.19695, -92.19928
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length22 ft (6.7 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 traffic30 (2022)
Projected traffic30 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$243,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Stream built?

It was built in 1960, making it 65 years old in 2025.

What condition is Local over Stream 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 2024.

How much traffic does Local over Stream carry?

About 30 vehicles per day (2022 count).

How long is Local over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Local over Stream?

It is owned by the County Highway Agency.