US Bridges

SR 4005 Amberson R over Br of Conococheaque

Fair

Franklin County, Pennsylvania · .75 MI S of Amberson · Structure no. 000000000017573

Built
1937
88 years old, rebuilt 1981
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
311
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4005 Amberson R over Br of Conococheaque is a steel stringer/multi-beam or girder carrying SR 4005 Amberson R over Br of Conococheaque in Franklin County, Pennsylvania. It was built in 1937 and reconstructed in 1981, so it is 88 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 311 vehicles a day, roughly 3% of them trucks, projected to reach 439 by 2032. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 4005 Amberson R
CrossesBr of Conococheaque
Location.75 MI S of Amberson
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates40.16756, -77.68244
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2024)
Projected traffic439 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 4005 Amberson R over Br of Conococheaque built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1981.

What condition is SR 4005 Amberson R over Br of Conococheaque 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 January 2024.

How much traffic does SR 4005 Amberson R over Br of Conococheaque carry?

About 311 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 4005 Amberson R over Br of Conococheaque?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 26 ft wide.

Who owns SR 4005 Amberson R over Br of Conococheaque?

It is owned by the State Highway Agency.