US Bridges

Clay Street over Prairie Creek

Fair

Clinton County, Indiana · 0.10 S of Harvard Terrace · Structure no. 1200001

Built
1921
104 years old, rebuilt 2017
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
50 ft
1 main span
Daily traffic
204
2016 count
Owner
County
County Highway Agency

About this bridge

Clay Street over Prairie Creek is a concrete culvert carrying Clay Street over Prairie Creek in Clinton County, Indiana. It was built in 1921 and reconstructed in 2017, so it is 104 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 204 vehicles a day, roughly 4% of them trucks, projected to reach 245 by 2034. The structure is 50 ft (15.2 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesClay Street
CrossesPrairie Creek
Location0.10 S of Harvard Terrace
RouteCity Street 0
StateIndiana
Coordinates40.27415, -86.50702
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span46 ft (14.1 m)
Deck width51 ft (15.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2016)
Projected traffic245 by 2034
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Clay Street over Prairie Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2017.

What condition is Clay Street 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 Clay Street over Prairie Creek carry?

About 204 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Clay Street over Prairie Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14.1 m) and a deck 51 ft wide.

Who owns Clay Street over Prairie Creek?

It is owned by the County Highway Agency.