US Bridges

72 ST over Br. of Praire Creek

Good

Benton County, Iowa · 083112501 · Structure no. 000000000364255

Built
2000
25 years old
Condition
Good
inspected April 2023
Type
Slab
Steel
Length
30 ft
1 main span
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

72 ST over Br. of Praire Creek is a steel slab carrying 72 ST over Br. of Praire Creek in Benton County, Iowa. It was built in 2000, so it is 25 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries72 ST
CrossesBr. of Praire Creek
Location083112501
RouteCounty Highway 0
StateIowa
Coordinates41.9781, -92.07876
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 protection7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74.3 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2021)
Projected traffic15 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 72 ST over Br. of Praire Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 72 ST over Br. of Praire 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 72 ST over Br. of Praire Creek carry?

About 15 vehicles per day (2021 count).

How long is 72 ST over Br. of Praire Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns 72 ST over Br. of Praire Creek?

It is owned by the County Highway Agency.