US Bridges

Old Forge Road over E. Br. Little Antietam

Fair

Franklin County, Pennsylvania · 5 NE Wboro/E Br L Antie · Structure no. 000000000017701

Built
1950
75 years old, rebuilt 2017
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
44 ft
1 main span
Daily traffic
300
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Forge Road over E. Br. Little Antietam is a concrete slab carrying Old Forge Road over E. Br. Little Antietam in Franklin County, Pennsylvania. It was built in 1950 and reconstructed in 2017, so it is 75 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 5 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, projected to reach 420 by 2029. The structure is 44 ft (13.4 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld Forge Road
CrossesE. Br. Little Antietam
Location5 NE Wboro/E Br L Antie
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates39.78828, -77.48781
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2009)
Projected traffic420 by 2029
Trucks0%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Forge Road over E. Br. Little Antietam built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2017.

What condition is Old Forge Road over E. Br. Little Antietam 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 November 2023.

How much traffic does Old Forge Road over E. Br. Little Antietam carry?

About 300 vehicles per day (2009 count).

How long is Old Forge Road over E. Br. Little Antietam?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns Old Forge Road over E. Br. Little Antietam?

It is owned by the Town or Township Highway Agency.