US Bridges

SR 25 over CR 300N

Good

Carroll County, Indiana · 02.51 N US 421 · Structure no. 080540

Built
2013
12 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
4,434
2021 count
Owner
State
State Highway Agency

About this bridge

SR 25 over CR 300N is a prestressed concrete stringer/multi-beam or girder carrying SR 25 over CR 300N 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,434 vehicles a day, roughly 15% of them trucks, projected to reach 6,110 by 2030. The structure is 69 ft (21.1 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 25
CrossesCR 300N
Location02.51 N US 421
RouteState Highway 25
StateIndiana
Coordinates40.59839, -86.65495
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length69 ft (21.1 m)
Longest span68 ft (20.8 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,434 (2021)
Projected traffic6,110 by 2030
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 25 over CR 300N built?

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

What condition is SR 25 over CR 300N 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 March 2023.

How much traffic does SR 25 over CR 300N carry?

About 4,434 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is SR 25 over CR 300N?

The structure is 69 ft (21.1 m) long with a longest span of 68 ft (20.8 m) and a deck 45 ft wide.

Who owns SR 25 over CR 300N?

It is owned by the State Highway Agency.