US Bridges

T-392 over Coffee Run

Fair

Mifflin County, Pennsylvania · 800FT North of SR 0655 · Structure no. 000000000026612

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
31 ft
4 main spans
Daily traffic
300
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-392 over Coffee Run is a steel culvert carrying T-392 over Coffee Run in Mifflin County, Pennsylvania. It was built in 1970, so it is 55 years old, older than the Pennsylvania average of 54.8 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-392
CrossesCoffee Run
Location800FT North of SR 0655
RouteCity Street 0
Coordinates40.65529, -77.63266
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2019)
Projected traffic220 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-392 over Coffee Run built?

It was built in 1970, making it 55 years old in 2025.

What condition is T-392 over Coffee Run 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 T-392 over Coffee Run carry?

About 300 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is T-392 over Coffee Run?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2.1 m).

Who owns T-392 over Coffee Run?

It is owned by the Town or Township Highway Agency.