US Bridges

Local over Cooper Creek

PoorPosted for load

Appanoose County, Iowa · 068180902 · Structure no. 000000000064580

Built
1956
69 years old
Condition
Poor
inspected October 2022
Type
Slab
Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
104
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Cooper Creek is a concrete continuous slab carrying Local over Cooper Creek in Appanoose County, Iowa. It was built in 1956, so it is 69 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 104 vehicles a day, projected to reach 104 by 2042. The structure is 126 ft (38.4 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesLocal
CrossesCooper Creek
Location068180902
RouteCounty Highway 0
CountyAppanoose County
StateIowa
Coordinates40.7091, -92.94531
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length126 ft (38.4 m)
Longest span49 ft (14.9 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2022)
Projected traffic104 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Cooper Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Local over Cooper Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does Local over Cooper Creek carry?

About 104 vehicles per day (2022 count).

How long is Local over Cooper Creek?

The structure is 126 ft (38.4 m) long with a longest span of 49 ft (14.9 m) and a deck 23 ft wide.

Who owns Local over Cooper Creek?

It is owned by the County Highway Agency.