US Bridges

On Tsr 819 over Laurel Creek

Good

Mifflin County, Pennsylvania · Milroy · Structure no. 000000000026506

Built
1975
50 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
52 ft
2 main spans
Daily traffic
1,244
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 819 over Laurel Creek is a concrete culvert carrying On Tsr 819 over Laurel Creek in Mifflin County, Pennsylvania. It was built in 1975, so it is 50 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 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 1,244 vehicles a day, roughly 4% of them trucks, projected to reach 4,161 by 2044. The structure is 52 ft (15.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOn Tsr 819
CrossesLaurel Creek
LocationMilroy
RouteState Highway 0
Coordinates40.71311, -77.5926
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span24 ft (7.3 m)
Deck width41 ft (12.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,244 (2024)
Projected traffic4,161 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 On Tsr 819 over Laurel Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is On Tsr 819 over Laurel Creek 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 April 2024.

How much traffic does On Tsr 819 over Laurel Creek carry?

About 1,244 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is On Tsr 819 over Laurel Creek?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.3 m) and a deck 41 ft wide.

Who owns On Tsr 819 over Laurel Creek?

It is owned by the State Highway Agency.