US Bridges

US 24 over Carlin Branch

Fair

Wabash County, Indiana · 02.70 W SR 115 · Structure no. 006043

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
9,111
2020 count
Owner
State
State Highway Agency

About this bridge

US 24 over Carlin Branch is a steel culvert carrying US 24 over Carlin Branch in Wabash County, Indiana. It was built in 1975, so it is 50 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 9,111 vehicles a day, roughly 24% of them trucks, projected to reach 8,397 by 2032. The structure is 32 ft (9.7 m) long and 72 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 24
CrossesCarlin Branch
Location02.70 W SR 115
RouteU.S. Route 24
CountyWabash County
StateIndiana
Coordinates40.80529, -85.91862
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span14 ft (4.3 m)
Deck width72 ft (21.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,111 (2020)
Projected traffic8,397 by 2032
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 24 over Carlin Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is US 24 over Carlin 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 US 24 over Carlin Branch carry?

About 9,111 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is US 24 over Carlin Branch?

The structure is 32 ft (9.7 m) long with a longest span of 14 ft (4.3 m) and a deck 72 ft wide.

Who owns US 24 over Carlin Branch?

It is owned by the State Highway Agency.