US Bridges

SR 26 over Back Creek

Fair

Grant County, Indiana · 01.15 E SR 9 · Structure no. 076634

Built
2010
15 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
35 ft
1 main span
Daily traffic
4,806
2021 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Back Creek is a concrete culvert carrying SR 26 over Back Creek in Grant County, Indiana. It was built in 2010, so it is 15 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 4,806 vehicles a day, roughly 10% of them trucks, projected to reach 5,840 by 2030. The structure is 35 ft (10.6 m) long and 41 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesSR 26
CrossesBack Creek
Location01.15 E SR 9
RouteState Highway 26
CountyGrant County
StateIndiana
Coordinates40.42265, -85.65038
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,806 (2021)
Projected traffic5,840 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 26 over Back Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 26 over Back 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 October 2024.

How much traffic does SR 26 over Back Creek carry?

About 4,806 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 26 over Back Creek?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 41 ft wide.

Who owns SR 26 over Back Creek?

It is owned by the State Highway Agency.