US Bridges

T391 Hess Benedict over W Br Little Antietam Crk

Fair

Franklin County, Pennsylvania · 500 Ft West of SR 997 · Structure no. 000000000041722

Built
2002
23 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
300
2010 count
Owner
County
County Highway Agency

About this bridge

T391 Hess Benedict over W Br Little Antietam Crk is a concrete culvert carrying T391 Hess Benedict over W Br Little Antietam Crk in Franklin County, Pennsylvania. It was built in 2002, so it is 23 years old, younger 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 300 vehicles a day, projected to reach 400 by 2030. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT391 Hess Benedict
CrossesW Br Little Antietam Crk
Location500 Ft West of SR 997
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates39.81085, -77.57591
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating86 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2010)
Projected traffic400 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T391 Hess Benedict over W Br Little Antietam Crk built?

It was built in 2002, making it 23 years old in 2025.

What condition is T391 Hess Benedict over W Br Little Antietam Crk 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 May 2024.

How much traffic does T391 Hess Benedict over W Br Little Antietam Crk carry?

About 300 vehicles per day (2010 count).

How long is T391 Hess Benedict over W Br Little Antietam Crk?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 28 ft wide.

Who owns T391 Hess Benedict over W Br Little Antietam Crk?

It is owned by the County Highway Agency.