US Bridges

Mill Grove RD over Branch of Mill Creek

Fair

Owen County, Indiana · 00.00 S Quincy RD · Structure no. 6000013

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
970
2023 count
Owner
County
County Highway Agency

About this bridge

Mill Grove RD over Branch of Mill Creek is a prestressed concrete box beam or girders - multiple carrying Mill Grove RD over Branch of Mill Creek in Owen County, Indiana. It was built in 1976, 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 970 vehicles a day, roughly 5% of them trucks, projected to reach 1,310 by 2043. The structure is 30 ft (9.1 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMill Grove RD
CrossesBranch of Mill Creek
Location00.00 S Quincy RD
RouteCounty Highway 0
StateIndiana
Coordinates39.45571, -86.76227
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.3 m)
Deck width48 ft (14.7 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2023)
Projected traffic1,310 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mill Grove RD over Branch of Mill Creek built?

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

What condition is Mill Grove RD over Branch of 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 November 2024.

How much traffic does Mill Grove RD over Branch of Mill Creek carry?

About 970 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mill Grove RD over Branch of Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.3 m) and a deck 48 ft wide.

Who owns Mill Grove RD over Branch of Mill Creek?

It is owned by the County Highway Agency.