US Bridges

Upper Mt Vernon RD over Branch of Carpentier CR

Good

Vanderburgh County, Indiana · 00.00 Int of Dieffenbach · Structure no. 8200125

Built
1974
51 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
3,310
2020 count
Owner
County
County Highway Agency

About this bridge

Upper Mt Vernon RD over Branch of Carpentier CR is a prestressed concrete box beam or girders - multiple carrying Upper Mt Vernon RD over Branch of Carpentier CR in Vanderburgh County, Indiana. It was built in 1974, so it is 51 years old, older 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 3,310 vehicles a day, roughly 2% of them trucks, projected to reach 4,406 by 2040. The structure is 37 ft (11.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUpper Mt Vernon RD
CrossesBranch of Carpentier CR
Location00.00 Int of Dieffenbach
RouteCity Street 0
StateIndiana
Coordinates37.99047, -87.6473
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (10.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,310 (2020)
Projected traffic4,406 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Upper Mt Vernon RD over Branch of Carpentier CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Upper Mt Vernon RD over Branch of Carpentier CR 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 October 2024.

How much traffic does Upper Mt Vernon RD over Branch of Carpentier CR carry?

About 3,310 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Upper Mt Vernon RD over Branch of Carpentier CR?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (10.9 m) and a deck 32 ft wide.

Who owns Upper Mt Vernon RD over Branch of Carpentier CR?

It is owned by the County Highway Agency.