US Bridges

Local over Buck Creek

GoodPosted for load

Audubon County, Iowa · 078362204 · Structure no. 000000000067111

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Buck Creek is a concrete continuous slab carrying Local over Buck Creek in Audubon County, Iowa. It was built in 1985, so it is 40 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 27% of them trucks, projected to reach 15 by 2043. The structure is 128 ft (39 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesBuck Creek
Location078362204
RouteCounty Highway 0
StateIowa
Coordinates41.53944, -94.98422
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.1 US tons
Inventory rating23.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$60 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Buck Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Local over Buck Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Local over Buck Creek carry?

About 15 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Local over Buck Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns Local over Buck Creek?

It is owned by the County Highway Agency.