US Bridges

CR 600W over Robinson Branch

Fair

Carroll County, Indiana · 00.05 N of SR 25 · Structure no. 0800126

Built
1960
65 years old, rebuilt 2008
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
332
2011 count
Owner
County
County Highway Agency

About this bridge

CR 600W over Robinson Branch is a steel stringer/multi-beam or girder carrying CR 600W over Robinson Branch in Carroll County, Indiana. It was built in 1960 and reconstructed in 2008, so it is 65 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 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 332 vehicles a day, roughly 5% of them trucks, projected to reach 405 by 2031. The structure is 24 ft (7.4 m) long and 24 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR 600W
CrossesRobinson Branch
Location00.05 N of SR 25
RouteCounty Highway 121
StateIndiana
Coordinates40.61295, -86.63959
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.4 m)
Longest span20 ft (6.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2011)
Projected traffic405 by 2031
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 600W over Robinson Branch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2008.

What condition is CR 600W 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 CR 600W over Robinson Branch carry?

About 332 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is CR 600W over Robinson Branch?

The structure is 24 ft (7.4 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns CR 600W over Robinson Branch?

It is owned by the County Highway Agency.