US Bridges

SR 4010SILOAM Rd. over Conocheague CR

Good

Franklin County, Pennsylvania · .25 MI NW of Chambersburg · Structure no. 000000000046436

Built
2011
14 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
3,032
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4010SILOAM Rd. over Conocheague CR is a prestressed concrete box beam or girders - multiple carrying SR 4010SILOAM Rd. over Conocheague CR in Franklin County, Pennsylvania. It was built in 2011, so it is 14 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 3,032 vehicles a day, roughly 2% of them trucks, projected to reach 1,990 by 2032. The structure is 85 ft (25.9 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 4010SILOAM Rd.
CrossesConocheague CR
Location.25 MI NW of Chambersburg
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.9614, -77.64821
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating64.6 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length85 ft (25.9 m)
Longest span42 ft (12.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,032 (2024)
Projected traffic1,990 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 SR 4010SILOAM Rd. over Conocheague CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR 4010SILOAM Rd. over Conocheague 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 June 2024.

How much traffic does SR 4010SILOAM Rd. over Conocheague CR carry?

About 3,032 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 4010SILOAM Rd. over Conocheague CR?

The structure is 85 ft (25.9 m) long with a longest span of 42 ft (12.8 m) and a deck 31 ft wide.

Who owns SR 4010SILOAM Rd. over Conocheague CR?

It is owned by the State Highway Agency.