US Bridges

SR 26 over Robinson Branch

Fair

Clinton County, Indiana · 02.01 E SR 75 · Structure no. 006760

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
43 ft
1 main span
Daily traffic
4,275
2021 count
Owner
State
State Highway Agency

About this bridge

SR 26 over Robinson Branch is a concrete stringer/multi-beam or girder carrying SR 26 over Robinson Branch in Clinton County, Indiana. It was built in 1949, so it is 76 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 4,275 vehicles a day, roughly 11% of them trucks, projected to reach 5,789 by 2033. The structure is 43 ft (13.1 m) long and 46 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 26
CrossesRobinson Branch
Location02.01 E SR 75
RouteState Highway 26
CountyClinton County
StateIndiana
Coordinates40.41658, -86.48719
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.1 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,275 (2021)
Projected traffic5,789 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 26 over Robinson Branch built?

It was built in 1949, making it 76 years old in 2025.

What condition is SR 26 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 January 2024.

How much traffic does SR 26 over Robinson Branch carry?

About 4,275 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 26 over Robinson Branch?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.1 m) and a deck 46 ft wide.

Who owns SR 26 over Robinson Branch?

It is owned by the State Highway Agency.