US Bridges

SR 37 over Underwood Hollow

Good

Orange County, Indiana · 8.68 N SR 64 · Structure no. 080752

Built
2017
8 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
1,230
2015 count
Owner
State
State Highway Agency

About this bridge

SR 37 over Underwood Hollow is a concrete culvert carrying SR 37 over Underwood Hollow in Orange County, Indiana. It was built in 2017, so it is 8 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 1,230 vehicles a day, roughly 8% of them trucks, projected to reach 1,350 by 2035. The structure is 34 ft (10.5 m) long and 37 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR 37
CrossesUnderwood Hollow
Location8.68 N SR 64
RouteState Highway 37
StateIndiana
Coordinates38.45739, -86.45103
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.5 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span32 ft (9.7 m)
Deck width37 ft (11.2 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2015)
Projected traffic1,350 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Underwood Hollow built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 37 over Underwood Hollow 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 December 2024.

How much traffic does SR 37 over Underwood Hollow carry?

About 1,230 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is SR 37 over Underwood Hollow?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.7 m) and a deck 37 ft wide.

Who owns SR 37 over Underwood Hollow?

It is owned by the State Highway Agency.