US Bridges

Kooser RD over Mill Run

Good

Fayette County, Pennsylvania · Springfield Township · Structure no. 000000000053785

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
257
2024 count
Owner
State
State Highway Agency

About this bridge

Kooser RD over Mill Run is a prestressed concrete box beam or girders - multiple carrying Kooser RD over Mill Run in Fayette County, Pennsylvania. It was built in 2017, so it is 8 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 257 vehicles a day, roughly 13% of them trucks, projected to reach 205 by 2037. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKooser RD
CrossesMill Run
LocationSpringfield Township
RouteState Highway 0
Coordinates39.95208, -79.44179
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length53 ft (16.2 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic257 (2024)
Projected traffic205 by 2037
Trucks13%
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

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Kooser RD over Mill Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Kooser RD over Mill Run 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 2023.

How much traffic does Kooser RD over Mill Run carry?

About 257 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Kooser RD over Mill Run?

The structure is 53 ft (16.2 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns Kooser RD over Mill Run?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).