US Bridges

SR 25 over Robinson Branch

Fair

Carroll County, Indiana · 00.86 N US 421 · Structure no. 006430

Built
1963
62 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
8,297
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

SR 25 over Robinson Branch is a concrete continuous slab carrying SR 25 over Robinson Branch in Carroll County, Indiana. It was built in 1963 and reconstructed in 1991, so it is 62 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 8,297 vehicles a day, roughly 5% of them trucks, projected to reach 11,690 by 2030. The structure is 102 ft (31 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 25
CrossesRobinson Branch
Location00.86 N US 421
RouteCounty Highway 25
StateIndiana
Coordinates40.59159, -86.65957
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length102 ft (31 m)
Longest span40 ft (12.1 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,297 (2004)
Projected traffic11,690 by 2030
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Robinson Branch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1991.

What condition is SR 25 over Robinson Branch 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 May 2023.

How much traffic does SR 25 over Robinson Branch carry?

About 8,297 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is SR 25 over Robinson Branch?

The structure is 102 ft (31 m) long with a longest span of 40 ft (12.1 m) and a deck 44 ft wide.

Who owns SR 25 over Robinson Branch?

It is owned by the City or Municipal Highway Agency.