US Bridges

Locust ST over Prairie Creek

Fair

Benton County, Iowa · 082111304 · Structure no. 000000000014450

Built
1960
65 years old, rebuilt 2021
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
3 main spans
Daily traffic
1,660
2022 count
Owner
County
County Highway Agency

About this bridge

Locust ST over Prairie Creek is a prestressed concrete stringer/multi-beam or girder carrying Locust ST over Prairie Creek in Benton County, Iowa. It was built in 1960 and reconstructed in 2021, so it is 65 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.

It carries about 1,660 vehicles a day, projected to reach 1,660 by 2044. The structure is 183 ft (55.8 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLocust ST
CrossesPrairie Creek
Location082111304
RouteCounty Highway 0
CountyBenton County
StateIowa
Coordinates41.91182, -92.08446
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.6 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,660 (2022)
Projected traffic1,660 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Locust ST over Prairie Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2021.

What condition is Locust ST over Prairie 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 April 2024.

How much traffic does Locust ST over Prairie Creek carry?

About 1,660 vehicles per day (2022 count).

How long is Locust ST over Prairie Creek?

The structure is 183 ft (55.8 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Locust ST over Prairie Creek?

It is owned by the County Highway Agency.