US Bridges

SR4010;COMMERCE ST over Conococheague Creek

Fair

Franklin County, Pennsylvania · Chambersburg · Structure no. 000000000017599

Built
1990
35 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
117 ft
2 main spans
Daily traffic
3,596
2023 count
Owner
State
State Highway Agency

About this bridge

SR4010;COMMERCE ST over Conococheague Creek is a prestressed concrete continuous box beam or girders - multiple carrying SR4010;COMMERCE ST over Conococheague Creek in Franklin County, Pennsylvania. It was built in 1990, so it is 35 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 3,596 vehicles a day, roughly 4% of them trucks, projected to reach 5,177 by 2032. The structure is 117 ft (35.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR4010;COMMERCE ST
CrossesConococheague Creek
LocationChambersburg
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.94578, -77.66066
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating53 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length117 ft (35.7 m)
Longest span57 ft (17.4 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,596 (2023)
Projected traffic5,177 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 SR4010;COMMERCE ST over Conococheague Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR4010;COMMERCE ST over Conococheague 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 March 2024.

How much traffic does SR4010;COMMERCE ST over Conococheague Creek carry?

About 3,596 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR4010;COMMERCE ST over Conococheague Creek?

The structure is 117 ft (35.7 m) long with a longest span of 57 ft (17.4 m) and a deck 46 ft wide.

Who owns SR4010;COMMERCE ST over Conococheague Creek?

It is owned by the State Highway Agency.