US Bridges

US 231 over Sugar Creek

Fair

Montgomery County, Indiana · 00.32 N US 136 · Structure no. 016130

Built
1976
49 years old, rebuilt 2014
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
419 ft
3 main spans
Daily traffic
15,544
2021 count
Owner
State
State Highway Agency

About this bridge

US 231 over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying US 231 over Sugar Creek in Montgomery County, Indiana. It was built in 1976 and reconstructed in 2014, so it is 49 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 15,544 vehicles a day, roughly 5% of them trucks, projected to reach 15,960 by 2034. The structure is 419 ft (127.7 m) long and 87 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesUS 231
CrossesSugar Creek
Location00.32 N US 136
RouteU.S. Route 231
CountyMontgomery County
StateIndiana
Coordinates40.04766, -86.90132
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length419 ft (127.7 m)
Longest span155 ft (47.3 m)
Deck width87 ft (26.5 m)
Roadway width81 ft (24.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,544 (2021)
Projected traffic15,960 by 2034
Trucks5%
Lanes on structure4
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 231 over Sugar Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2014.

What condition is US 231 over Sugar Creek 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 2023.

How much traffic does US 231 over Sugar Creek carry?

About 15,544 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is US 231 over Sugar Creek?

The structure is 419 ft (127.7 m) long with a longest span of 155 ft (47.3 m) and a deck 87 ft wide.

Who owns US 231 over Sugar Creek?

It is owned by the State Highway Agency.