US Bridges

SR 15 over Deer Creek

Fair

Grant County, Indiana · 01.84 N US 35 · Structure no. 003900

Built
1938
87 years old, rebuilt 1982
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
124 ft
2 main spans
Daily traffic
7,605
2021 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Deer Creek is a concrete arch - deck carrying SR 15 over Deer Creek in Grant County, Indiana. It was built in 1938 and reconstructed in 1982, so it is 87 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 7,605 vehicles a day, roughly 3% of them trucks, projected to reach 17,382 by 2029. The structure is 124 ft (37.9 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 15
CrossesDeer Creek
Location01.84 N US 35
RouteState Highway 15
StateIndiana
Coordinates40.5094, -85.64903
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.4 US tons
Inventory rating25.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length124 ft (37.9 m)
Longest span50 ft (15.2 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,605 (2021)
Projected traffic17,382 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 15 over Deer Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1982.

What condition is SR 15 over Deer 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 June 2023.

How much traffic does SR 15 over Deer Creek carry?

About 7,605 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is SR 15 over Deer Creek?

The structure is 124 ft (37.9 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.

Who owns SR 15 over Deer Creek?

It is owned by the State Highway Agency.