US Bridges

SR 37 over Lost River

Fair

Orange County, Indiana · 03.64 S SR 337 · Structure no. 011910

Built
1921
104 years old, rebuilt 2001
Condition
Fair
inspected December 2024
Type
Arch - Deck
Concrete
Length
159 ft
3 main spans
Daily traffic
7,011
2004 count
Owner
State
State Highway Agency

About this bridge

SR 37 over Lost River is a concrete arch - deck carrying SR 37 over Lost River in Orange County, Indiana. It was built in 1921 and reconstructed in 2001, so it is 104 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 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 7,011 vehicles a day, roughly 8% of them trucks, projected to reach 9,710 by 2030. The structure is 159 ft (48.4 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 37
CrossesLost River
Location03.64 S SR 337
RouteState Highway 37
CountyOrange County
StateIndiana
Coordinates38.61007, -86.45802
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating59.7 US tons
Inventory rating35.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.4 m)
Longest span50 ft (15.2 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,011 (2004)
Projected traffic9,710 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 37 over Lost River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2001.

What condition is SR 37 over Lost River 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 December 2024.

How much traffic does SR 37 over Lost River carry?

About 7,011 vehicles per day (2004 count), of which roughly 8% are trucks.

How long is SR 37 over Lost River?

The structure is 159 ft (48.4 m) long with a longest span of 50 ft (15.2 m) and a deck 44 ft wide.

Who owns SR 37 over Lost River?

It is owned by the State Highway Agency.