Local Road over Branch South River

Fair

Warren County, Iowa · 076233603 · Structure no. 000000000334441

Built: 1975; 50 years old
Condition: Fair; inspected October 2024
Type: Culvert; Concrete Continuous
Length: 25 ft; 2 main spans
Daily traffic: 134; 2022 count
Owner: County; County Highway Agency

About this bridge

Local Road over Branch South River is a concrete continuous culvert carrying Local Road over Branch South River in Warren County, Iowa. It was built in 1975, so it is 50 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 134 vehicles a day, projected to reach 134 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesLocal Road

CrossesBranch South River

Location076233603

RouteCounty Highway 0

CountyWarren County

StateIowa

Coordinates41.34546, -93.45518

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2024

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Waterway adequacy6: Equal to 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 spans2

Design loadHS 20

Structure length25 ft (7.6 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 traffic134 (2022)

Projected traffic134 by 2044

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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 Road over Branch South River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Local Road over Branch South 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 2024.

How much traffic does Local Road over Branch South River carry?

About 134 vehicles per day (2022 count).

How long is Local Road over Branch South River?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Local Road over Branch South River?

It is owned by the County Highway Agency.