US Bridges

Local Road over Coal Creek

FairPosted for load

Warren County, Iowa · 076223403 · Structure no. 000000000334321

Built
1972
53 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Coal Creek is a concrete continuous slab carrying Local Road over Coal Creek in Warren County, Iowa. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, projected to reach 41 by 2044. The structure is 102 ft (31.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal Road
CrossesCoal Creek
Location076223403
RouteCounty Highway 0
StateIowa
Coordinates41.34191, -93.38235
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 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 Coal Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Local Road over Coal Creek 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 Coal Creek carry?

About 41 vehicles per day (2022 count).

How long is Local Road over Coal Creek?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns Local Road over Coal Creek?

It is owned by the County Highway Agency.