US Bridges

Church ST (sr 408) over Mackey Run

Good

Crawford County, Pennsylvania · Richmond Township · Structure no. 000000000053360

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
1,193
2024 count
Owner
State
State Highway Agency

About this bridge

Church ST (sr 408) over Mackey Run is a prestressed concrete box beam or girders - multiple carrying Church ST (sr 408) over Mackey Run in Crawford County, Pennsylvania. It was built in 2016, so it is 9 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 1,193 vehicles a day, roughly 8% of them trucks, projected to reach 1,716 by 2038. The structure is 77 ft (23.5 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesChurch ST (sr 408)
CrossesMackey Run
LocationRichmond Township
RouteState Highway 408
Coordinates41.74829, -79.94051
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.5 m)
Longest span73 ft (22.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,193 (2024)
Projected traffic1,716 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Church ST (sr 408) over Mackey Run built?

It was built in 2016, making it 9 years old in 2025.

What condition is Church ST (sr 408) over Mackey 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 June 2024.

How much traffic does Church ST (sr 408) over Mackey Run carry?

About 1,193 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Church ST (sr 408) over Mackey Run?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.

Who owns Church ST (sr 408) over Mackey Run?

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