US Bridges

SR 37 over Unt Little Duck Creek

Good

Madison County, Indiana · 00.86 N SR 28 · Structure no. 012513

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
4,500
1998 count
Owner
State
State Highway Agency

About this bridge

SR 37 over Unt Little Duck Creek is a concrete culvert carrying SR 37 over Unt Little Duck Creek in Madison County, Indiana. It was built in 2008, so it is 17 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,500 vehicles a day, roughly 11% of them trucks, projected to reach 8,400 by 2030. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 37
CrossesUnt Little Duck Creek
Location00.86 N SR 28
RouteState Highway 37
StateIndiana
Coordinates40.28586, -85.79805
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable 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 spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (1998)
Projected traffic8,400 by 2030
Trucks11%
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 37 over Unt Little Duck Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 37 over Unt Little Duck Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SR 37 over Unt Little Duck Creek carry?

About 4,500 vehicles per day (1998 count), of which roughly 11% are trucks.

How long is SR 37 over Unt Little Duck Creek?

The structure is 25 ft (7.7 m) long with a longest span of 23 ft (7 m).

Who owns SR 37 over Unt Little Duck Creek?

It is owned by the State Highway Agency.