US Bridges

US 231 over Carpenter Creek

Good

Jasper County, Indiana · 00.21 N US 24 N JCT · Structure no. 029450

Built
1929
96 years old, rebuilt 1954
Condition
Good
inspected July 2023
Type
Arch - Deck
Concrete
Length
53 ft
1 main span
Daily traffic
2,317
2020 count
Owner
State
State Highway Agency

About this bridge

US 231 over Carpenter Creek is a concrete arch - deck carrying US 231 over Carpenter Creek in Jasper County, Indiana. It was built in 1929 and reconstructed in 1954, so it is 96 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,317 vehicles a day, roughly 13% of them trucks, projected to reach 5,586 by 2030. The structure is 53 ft (16.1 m) long and 52 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS 231
CrossesCarpenter Creek
Location00.21 N US 24 N JCT
RouteU.S. Route 231
StateIndiana
Coordinates40.76891, -87.15371
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length53 ft (16.1 m)
Longest span50 ft (15.2 m)
Deck width52 ft (15.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,317 (2020)
Projected traffic5,586 by 2030
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 231 over Carpenter Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1954.

What condition is US 231 over Carpenter Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does US 231 over Carpenter Creek carry?

About 2,317 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is US 231 over Carpenter Creek?

The structure is 53 ft (16.1 m) long with a longest span of 50 ft (15.2 m) and a deck 52 ft wide.

Who owns US 231 over Carpenter Creek?

It is owned by the State Highway Agency.