US Bridges

Old Hbg RD 3001 over Trib Rock CR

Good

Adams County, Pennsylvania · NE of Gettysburg · Structure no. 000000000046120

Built
2010
15 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
3,874
2023 count
Owner
State
State Highway Agency

About this bridge

Old Hbg RD 3001 over Trib Rock CR is a prestressed concrete box beam or girders - multiple carrying Old Hbg RD 3001 over Trib Rock CR in Adams County, Pennsylvania. It was built in 2010, so it is 15 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 3,874 vehicles a day, roughly 2% of them trucks, projected to reach 8,505 by 2032. The structure is 61 ft (18.6 m) long and 37 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOld Hbg RD 3001
CrossesTrib Rock CR
LocationNE of Gettysburg
RouteU.S. Route 15B
Coordinates39.87252, -77.20289
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating54 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,874 (2023)
Projected traffic8,505 by 2032
Trucks2%
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 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 Old Hbg RD 3001 over Trib Rock CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Old Hbg RD 3001 over Trib Rock CR 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 November 2022.

How much traffic does Old Hbg RD 3001 over Trib Rock CR carry?

About 3,874 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Old Hbg RD 3001 over Trib Rock CR?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns Old Hbg RD 3001 over Trib Rock CR?

It is owned by the State Highway Agency.