US Bridges

US 231 over Branch Mill Creek

Fair

Owen County, Indiana · 02.16 N SR 67 · Structure no. 015960

Built
1932
93 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete
Length
87 ft
1 main span
Daily traffic
5,336
2021 count
Owner
State
State Highway Agency

About this bridge

US 231 over Branch Mill Creek is a concrete arch - deck carrying US 231 over Branch Mill Creek in Owen County, Indiana. It was built in 1932 and reconstructed in 1994, so it is 93 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 5,336 vehicles a day, roughly 11% of them trucks, projected to reach 7,266 by 2033. The structure is 87 ft (26.5 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 231
CrossesBranch Mill Creek
Location02.16 N SR 67
RouteU.S. Route 231
CountyOwen County
StateIndiana
Coordinates39.38228, -86.75805
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.9 US tons
Inventory rating26.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length87 ft (26.5 m)
Longest span40 ft (12.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,336 (2021)
Projected traffic7,266 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 Branch Mill Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1994.

What condition is US 231 over Branch Mill 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 Branch Mill Creek carry?

About 5,336 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is US 231 over Branch Mill Creek?

The structure is 87 ft (26.5 m) long with a longest span of 40 ft (12.1 m) and a deck 43 ft wide.

Who owns US 231 over Branch Mill Creek?

It is owned by the State Highway Agency.