US Bridges

SR 135 over Gnaw Bone Creek

Good

Brown County, Indiana · 00.05 S SR 46 · Structure no. 026630

Built
1961
64 years old, rebuilt 2015
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
1,165
2014 count
Owner
State
State Highway Agency

About this bridge

SR 135 over Gnaw Bone Creek is a concrete continuous slab carrying SR 135 over Gnaw Bone Creek in Brown County, Indiana. It was built in 1961 and reconstructed in 2015, so it is 64 years old, older 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 1,165 vehicles a day, roughly 3% of them trucks, projected to reach 1,236 by 2034. The structure is 124 ft (37.8 m) long and 34 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesSR 135
CrossesGnaw Bone Creek
Location00.05 S SR 46
RouteState Highway 135
StateIndiana
Coordinates39.19025, -86.19218
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span41 ft (12.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,165 (2014)
Projected traffic1,236 by 2034
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed10.6 mi (17 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 Gnaw Bone Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2015.

What condition is SR 135 over Gnaw Bone 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 December 2023.

How much traffic does SR 135 over Gnaw Bone Creek carry?

About 1,165 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is SR 135 over Gnaw Bone Creek?

The structure is 124 ft (37.8 m) long with a longest span of 41 ft (12.4 m) and a deck 34 ft wide.

Who owns SR 135 over Gnaw Bone Creek?

It is owned by the State Highway Agency.