US Bridges

SR 13 over Grassy Creek

Fair

Kosciusko County, Indiana · 04.72 N US 30 · Structure no. 003500

Built
1985
40 years old, rebuilt 2015
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
7,517
2020 count
Owner
State
State Highway Agency

About this bridge

SR 13 over Grassy Creek is a concrete continuous slab carrying SR 13 over Grassy Creek in Kosciusko County, Indiana. It was built in 1985 and reconstructed in 2015, 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 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 7,517 vehicles a day, roughly 5% of them trucks, projected to reach 15,289 by 2033. The structure is 80 ft (24.5 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 13
CrossesGrassy Creek
Location04.72 N US 30
RouteState Highway 13
StateIndiana
Coordinates41.27191, -85.69778
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length80 ft (24.5 m)
Longest span31 ft (9.6 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,517 (2020)
Projected traffic15,289 by 2033
Trucks5%
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 13 over Grassy Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2015.

What condition is SR 13 over Grassy 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 May 2023.

How much traffic does SR 13 over Grassy Creek carry?

About 7,517 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SR 13 over Grassy Creek?

The structure is 80 ft (24.5 m) long with a longest span of 31 ft (9.6 m) and a deck 46 ft wide.

Who owns SR 13 over Grassy Creek?

It is owned by the State Highway Agency.