US Bridges

Wilson Street over Salper Creek

Fair

Orange County, Indiana · 0.03 W of SR 37 · Structure no. 5900100

Built
1955
70 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
43 ft
2 main spans
Daily traffic
500
2014 count
Owner
County
County Highway Agency

About this bridge

Wilson Street over Salper Creek is a steel culvert carrying Wilson Street over Salper Creek in Orange County, Indiana. It was built in 1955, so it is 70 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 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 500 vehicles a day, roughly 8% of them trucks, projected to reach 680 by 2034. The structure is 43 ft (13.2 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWilson Street
CrossesSalper Creek
Location0.03 W of SR 37
RouteCity Street 0
StateIndiana
Coordinates38.66665, -86.45329
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length43 ft (13.2 m)
Longest span13 ft (4.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2014)
Projected traffic680 by 2034
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 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 Wilson Street over Salper Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Wilson Street over Salper 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 May 2024.

How much traffic does Wilson Street over Salper Creek carry?

About 500 vehicles per day (2014 count), of which roughly 8% are trucks.

How long is Wilson Street over Salper Creek?

The structure is 43 ft (13.2 m) long with a longest span of 13 ft (4.1 m) and a deck 28 ft wide.

Who owns Wilson Street over Salper Creek?

It is owned by the County Highway Agency.