US Bridges

SR 135 over Middle Fork Salt Creek

Fair

Brown County, Indiana · 09.85 S SR 46 · Structure no. 026580

Built
1984
41 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
125 ft
3 main spans
Daily traffic
174
2004 count
Owner
State
State Highway Agency

About this bridge

SR 135 over Middle Fork Salt Creek is a steel continuous stringer/multi-beam or girder carrying SR 135 over Middle Fork Salt Creek in Brown County, Indiana. It was built in 1984, so it is 41 years old, younger 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 174 vehicles a day, roughly 10% of them trucks, projected to reach 243 by 2030. The structure is 125 ft (38 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 135
CrossesMiddle Fork Salt Creek
Location09.85 S SR 46
RouteState Highway 135
CountyBrown County
StateIndiana
Coordinates39.09351, -86.20813
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.7 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38 m)
Longest span47 ft (14.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic174 (2004)
Projected traffic243 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 135 over Middle Fork Salt Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR 135 over Middle Fork Salt 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 December 2023.

How much traffic does SR 135 over Middle Fork Salt Creek carry?

About 174 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 135 over Middle Fork Salt Creek?

The structure is 125 ft (38 m) long with a longest span of 47 ft (14.3 m) and a deck 36 ft wide.

Who owns SR 135 over Middle Fork Salt Creek?

It is owned by the State Highway Agency.