US Bridges

Red Rock RD T-327 over Marsh Creek

Fair

Adams County, Pennsylvania · 3.5 Mi.Sw of Gettysburg · Structure no. 000000000000399

Built
1935
90 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
150
2009 count
Owner
County
County Highway Agency

About this bridge

Red Rock RD T-327 over Marsh Creek is a prestressed concrete continuous box beam or girders - multiple carrying Red Rock RD T-327 over Marsh Creek in Adams County, Pennsylvania. It was built in 1935 and reconstructed in 2007, so it is 90 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 150 vehicles a day, roughly 7% of them trucks, projected to reach 250 by 2030. The structure is 145 ft (44.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRed Rock RD T-327
CrossesMarsh Creek
Location3.5 Mi.Sw of Gettysburg
RouteCity Street 0
Coordinates39.78384, -77.27619
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2009)
Projected traffic250 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$495,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Red Rock RD T-327 over Marsh Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2007.

What condition is Red Rock RD T-327 over Marsh Creek 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 July 2023.

How much traffic does Red Rock RD T-327 over Marsh Creek carry?

About 150 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is Red Rock RD T-327 over Marsh Creek?

The structure is 145 ft (44.2 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns Red Rock RD T-327 over Marsh Creek?

It is owned by the County Highway Agency.