US Bridges

Prowsville Ridge over Twin Creek

Good

Washington County, Indiana · 00.10 W of Starr RD · Structure no. 8800006

Built
1982
43 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
112
2012 count
Owner
County
County Highway Agency

About this bridge

Prowsville Ridge over Twin Creek is a prestressed concrete box beam or girders - multiple carrying Prowsville Ridge over Twin Creek in Washington County, Indiana. It was built in 1982, so it is 43 years old, younger than the Indiana average of 46.6 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 112 vehicles a day, roughly 7% of them trucks, projected to reach 152 by 2032. The structure is 40 ft (12.1 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesProwsville Ridge
CrossesTwin Creek
Location00.10 W of Starr RD
RouteCounty Highway 0
StateIndiana
Coordinates38.69505, -86.22083
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2012)
Projected traffic152 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Prowsville Ridge over Twin Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Prowsville Ridge over Twin 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 June 2024.

How much traffic does Prowsville Ridge over Twin Creek carry?

About 112 vehicles per day (2012 count), of which roughly 7% are trucks.

How long is Prowsville Ridge over Twin Creek?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns Prowsville Ridge over Twin Creek?

It is owned by the County Highway Agency.