US Bridges

Carlisle Road over Opossum Creek

Good

Adams County, Pennsylvania · 4 MI N of Biglerville · Structure no. 000000000054106

Built
2018
7 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
2,740
2024 count
Owner
State
State Highway Agency

About this bridge

Carlisle Road over Opossum Creek is a prestressed concrete box beam or girders - multiple carrying Carlisle Road over Opossum Creek in Adams County, Pennsylvania. It was built in 2018, so it is 7 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 2,740 vehicles a day, roughly 11% of them trucks, projected to reach 4,741 by 2032. The structure is 80 ft (24.4 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCarlisle Road
CrossesOpossum Creek
Location4 MI N of Biglerville
RouteState Highway 34
Coordinates39.98146, -77.2339
Functional classRural 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span77 ft (23.5 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,740 (2024)
Projected traffic4,741 by 2032
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carlisle Road over Opossum Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Carlisle Road over Opossum 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 July 2024.

How much traffic does Carlisle Road over Opossum Creek carry?

About 2,740 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Carlisle Road over Opossum Creek?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.5 m) and a deck 42 ft wide.

Who owns Carlisle Road over Opossum Creek?

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