US Bridges

SR 2012 over Greenbriar Gap Run

Fair

Centre County, Pennsylvania · 2 MI SW Coburn · Structure no. 000000000009675

Built
1928
97 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
343
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2012 over Greenbriar Gap Run is a steel stringer/multi-beam or girder carrying SR 2012 over Greenbriar Gap Run in Centre County, Pennsylvania. It was built in 1928, so it is 97 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 343 vehicles a day, roughly 3% of them trucks, projected to reach 318 by 2043. The structure is 29 ft (8.8 m) long and 18 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 2012
CrossesGreenbriar Gap Run
Location2 MI SW Coburn
RouteState Highway 0
CountyCentre County
StatePennsylvania
Coordinates40.8535, -77.49762
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating83 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic343 (2024)
Projected traffic318 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$394,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 2012 over Greenbriar Gap Run built?

It was built in 1928, making it 97 years old in 2025.

What condition is SR 2012 over Greenbriar Gap Run 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 June 2023.

How much traffic does SR 2012 over Greenbriar Gap Run carry?

About 343 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 2012 over Greenbriar Gap Run?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns SR 2012 over Greenbriar Gap Run?

It is owned by the State Highway Agency.