US Bridges

US 231 over Black Creek

Good

Montgomery County, Indiana · 02.35 N I-74 · Structure no. 016140

Built
1993
32 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
8,905
2021 count
Owner
State
State Highway Agency

About this bridge

US 231 over Black Creek is a prestressed concrete box beam or girders - single or spread carrying US 231 over Black Creek in Montgomery County, Indiana. It was built in 1993, so it is 32 years old, younger 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 8,905 vehicles a day, roughly 19% of them trucks, projected to reach 11,642 by 2032. The structure is 93 ft (28.3 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 231
CrossesBlack Creek
Location02.35 N I-74
RouteU.S. Route 231
StateIndiana
Coordinates40.11393, -86.90434
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span86 ft (26.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,905 (2021)
Projected traffic11,642 by 2032
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Black Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 231 over Black 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 August 2024.

How much traffic does US 231 over Black Creek carry?

About 8,905 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is US 231 over Black Creek?

The structure is 93 ft (28.3 m) long with a longest span of 86 ft (26.3 m) and a deck 47 ft wide.

Who owns US 231 over Black Creek?

It is owned by the State Highway Agency.