US Bridges

US 30 Eb; SR 0030 over Conococheague Creek

Good

Franklin County, Pennsylvania · Chambersburg Boro · Structure no. 000000000017325

Built
1930
95 years old, rebuilt 1988
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
128 ft
2 main spans
Daily traffic
9,801
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 Eb; SR 0030 over Conococheague Creek is a prestressed concrete continuous box beam or girders - multiple carrying US 30 Eb; SR 0030 over Conococheague Creek in Franklin County, Pennsylvania. It was built in 1930 and reconstructed in 1988, so it is 95 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,801 vehicles a day, roughly 7% of them trucks, projected to reach 11,410 by 2032. The structure is 128 ft (39 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 30 Eb; SR 0030
CrossesConococheague Creek
LocationChambersburg Boro
RouteU.S. Route 30
Coordinates39.93563, -77.66526
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span62 ft (18.9 m)
Deck width46 ft (14.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,801 (2023)
Projected traffic11,410 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 US 30 Eb; SR 0030 over Conococheague Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is US 30 Eb; SR 0030 over Conococheague Creek 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 May 2024.

How much traffic does US 30 Eb; SR 0030 over Conococheague Creek carry?

About 9,801 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 30 Eb; SR 0030 over Conococheague Creek?

The structure is 128 ft (39 m) long with a longest span of 62 ft (18.9 m) and a deck 46 ft wide.

Who owns US 30 Eb; SR 0030 over Conococheague Creek?

It is owned by the State Highway Agency.