US Bridges

SR 26 over Grassy Fork

Fair

Grant County, Indiana · 01.39 W SR 37 · Structure no. 006880

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
3,660
2021 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Grassy Fork is a concrete culvert carrying SR 26 over Grassy Fork in Grant County, Indiana. It was built in 1992, so it is 33 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 3,660 vehicles a day, roughly 16% of them trucks, projected to reach 5,063 by 2030. The structure is 26 ft (8 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 26
CrossesGrassy Fork
Location01.39 W SR 37
RouteState Highway 26
CountyGrant County
StateIndiana
Coordinates40.4218, -85.76174
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 geometry9: Superior to present desirable criteria
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 spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width46 ft (14 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,660 (2021)
Projected traffic5,063 by 2030
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Grassy Fork built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 26 over Grassy Fork 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 Grassy Fork carry?

About 3,660 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is SR 26 over Grassy Fork?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 46 ft wide.

Who owns SR 26 over Grassy Fork?

It is owned by the State Highway Agency.