US Bridges

US 231 over CSX RR

Fair

Montgomery County, Indiana · 05.77 N I-74 · Structure no. 016150

Built
1980
45 years old, rebuilt 2020
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
208 ft
3 main spans
Daily traffic
8,776
2021 count
Owner
State
State Highway Agency

About this bridge

US 231 over CSX RR is a steel continuous stringer/multi-beam or girder carrying US 231 over CSX RR in Montgomery County, Indiana. It was built in 1980 and reconstructed in 2020, so it is 45 years old, younger 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 8,776 vehicles a day, roughly 19% of them trucks, projected to reach 10,262 by 2038. The structure is 208 ft (63.4 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 231
CrossesCSX RR
Location05.77 N I-74
RouteU.S. Route 231
CountyMontgomery County
StateIndiana
Coordinates40.16227, -86.90456
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span76 ft (23.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,776 (2021)
Projected traffic10,262 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 231 over CSX RR built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2020.

What condition is US 231 over CSX RR 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 August 2024.

How much traffic does US 231 over CSX RR carry?

About 8,776 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is US 231 over CSX RR?

The structure is 208 ft (63.4 m) long with a longest span of 76 ft (23.3 m) and a deck 47 ft wide.

Who owns US 231 over CSX RR?

It is owned by the State Highway Agency.