US Bridges

SR 26 over Grassy Fork

Fair

Grant County, Indiana · 01.73 W SR 13 · Structure no. 006860

Built
1985
40 years old, rebuilt 1992
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
3,852
2021 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Grassy Fork is a concrete continuous slab carrying SR 26 over Grassy Fork in Grant County, Indiana. It was built in 1985 and reconstructed in 1992, so it is 40 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 5 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 3,852 vehicles a day, roughly 16% of them trucks, projected to reach 5,200 by 2035. The structure is 88 ft (26.7 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 26
CrossesGrassy Fork
Location01.73 W SR 13
RouteState Highway 26
StateIndiana
Coordinates40.42145, -85.85707
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span34 ft (10.3 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,852 (2021)
Projected traffic5,200 by 2035
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 1985, making it 40 years old in 2025. It was reconstructed in 1992.

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 3,852 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is SR 26 over Grassy Fork?

The structure is 88 ft (26.7 m) long with a longest span of 34 ft (10.3 m) and a deck 46 ft wide.

Who owns SR 26 over Grassy Fork?

It is owned by the State Highway Agency.