US Bridges

SR 25 over Unt Bridge Creek

Fair

Carroll County, Indiana · 00.60 N US 421 · Structure no. 079674

Built
2013
12 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
9,400
2006 count
Owner
State
State Highway Agency

About this bridge

SR 25 over Unt Bridge Creek is a concrete culvert carrying SR 25 over Unt Bridge Creek in Carroll County, Indiana. It was built in 2013, so it is 12 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 9,400 vehicles a day, roughly 15% of them trucks, projected to reach 12,220 by 2034. The structure is 22 ft (6.7 m) long and 172 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 25
CrossesUnt Bridge Creek
Location00.60 N US 421
RouteState Highway 25
StateIndiana
Coordinates40.57305, -86.64823
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable 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 loadHL 93
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width172 ft (52.4 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2006)
Projected traffic12,220 by 2034
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 25 over Unt Bridge Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR 25 over Unt Bridge 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 March 2023.

How much traffic does SR 25 over Unt Bridge Creek carry?

About 9,400 vehicles per day (2006 count), of which roughly 15% are trucks.

How long is SR 25 over Unt Bridge Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 172 ft wide.

Who owns SR 25 over Unt Bridge Creek?

It is owned by the State Highway Agency.