US Bridges

Local (lwc) over Br Prairie Creek

Good

Benton County, Iowa · 082091902 · Structure no. 000000000070101

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Slab
Steel
Length
25 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local (lwc) over Br Prairie Creek is a steel slab carrying Local (lwc) over Br Prairie Creek in Benton County, Iowa. It was built in 1996, so it is 29 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.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal (lwc)
CrossesBr Prairie Creek
Location082091902
RouteCounty Highway 0
StateIowa
Coordinates41.89882, -91.94877
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 inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating99.1 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 (lwc) over Br Prairie Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Local (lwc) over Br Prairie 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 April 2023.

How much traffic does Local (lwc) over Br Prairie Creek carry?

About 20 vehicles per day (2022 count).

How long is Local (lwc) over Br Prairie Creek?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns Local (lwc) over Br Prairie Creek?

It is owned by the County Highway Agency.