US Bridges

US 40 over Cartersburg Branch

Fair

Hendricks County, Indiana · 01.87 E SR 39 · Structure no. 013780

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
37 ft
1 main span
Daily traffic
15,322
2021 count
Owner
State
State Highway Agency

About this bridge

US 40 over Cartersburg Branch is a concrete arch - deck carrying US 40 over Cartersburg Branch in Hendricks County, Indiana. It was built in 1940, so it is 85 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 15,322 vehicles a day, roughly 13% of them trucks, projected to reach 15,371 by 2033. The structure is 37 ft (11.2 m) long and 89 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesUS 40
CrossesCartersburg Branch
Location01.87 E SR 39
RouteU.S. Route 40
StateIndiana
Coordinates39.68619, -86.45521
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating43.5 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length37 ft (11.2 m)
Longest span35 ft (10.6 m)
Deck width89 ft (27.2 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,322 (2021)
Projected traffic15,371 by 2033
Trucks13%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 40 over Cartersburg Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 40 over Cartersburg 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 April 2024.

How much traffic does US 40 over Cartersburg Branch carry?

About 15,322 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is US 40 over Cartersburg Branch?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.6 m) and a deck 89 ft wide.

Who owns US 40 over Cartersburg Branch?

It is owned by the State Highway Agency.