US Bridges

SR 4007 Mountain R over Conodoguinet Creek

Fair

Cumberland County, Pennsylvania · 3 MI E of Newburg · Structure no. 000000000013957

Built
1909
116 years old
Condition
Fair
inspected January 2024
Type
Arch - Deck
Concrete
Length
136 ft
2 main spans
Daily traffic
341
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4007 Mountain R over Conodoguinet Creek is a concrete arch - deck carrying SR 4007 Mountain R over Conodoguinet Creek in Cumberland County, Pennsylvania. It was built in 1909, so it is 116 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 341 vehicles a day, roughly 13% of them trucks, projected to reach 313 by 2032. The structure is 136 ft (41.5 m) long and 15 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSR 4007 Mountain R
CrossesConodoguinet Creek
Location3 MI E of Newburg
RouteState Highway 0
CountyCumberland County
StatePennsylvania
Coordinates40.15178, -77.50034
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating29 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length136 ft (41.5 m)
Longest span62 ft (18.9 m)
Deck width15 ft (4.7 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2024)
Projected traffic313 by 2032
Trucks13%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$873,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4007 Mountain R over Conodoguinet Creek built?

It was built in 1909, making it 116 years old in 2025.

What condition is SR 4007 Mountain R over Conodoguinet 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 January 2024.

How much traffic does SR 4007 Mountain R over Conodoguinet Creek carry?

About 341 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 4007 Mountain R over Conodoguinet Creek?

The structure is 136 ft (41.5 m) long with a longest span of 62 ft (18.9 m) and a deck 15 ft wide.

Who owns SR 4007 Mountain R over Conodoguinet Creek?

It is owned by the State Highway Agency.