US Bridges

SR 135 over Brock Creek

Fair

Washington County, Indiana · 00.75 N SR 56 · Structure no. 026440

Built
1946
79 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
136 ft
1 main span
Daily traffic
3,438
2021 count
Owner
State
State Highway Agency

About this bridge

SR 135 over Brock Creek is a concrete culvert carrying SR 135 over Brock Creek in Washington County, Indiana. It was built in 1946, so it is 79 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 3,438 vehicles a day, roughly 10% of them trucks, projected to reach 5,899 by 2032. The structure is 136 ft (41.4 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 135
CrossesBrock Creek
Location00.75 N SR 56
RouteState Highway 135
StateIndiana
Coordinates38.6197, -86.10041
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span75 ft (22.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,438 (2021)
Projected traffic5,899 by 2032
Trucks10%
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

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 Brock Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is SR 135 over Brock 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 July 2024.

How much traffic does SR 135 over Brock Creek carry?

About 3,438 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 135 over Brock Creek?

The structure is 136 ft (41.4 m) long with a longest span of 75 ft (22.8 m) and a deck 31 ft wide.

Who owns SR 135 over Brock Creek?

It is owned by the State Highway Agency.