US Bridges

SR 208 over Over Johnston Run

FairPosted for load

Mercer County, Pennsylvania · Springfield Township · Structure no. 000000000025837

Built
1935
90 years old, rebuilt 1984
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
4,143
2024 count
Owner
State
State Highway Agency

About this bridge

SR 208 over Over Johnston Run is a steel stringer/multi-beam or girder carrying SR 208 over Over Johnston Run in Mercer County, Pennsylvania. It was built in 1935 and reconstructed in 1984, so it is 90 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. Its operating status is: posted for other load-capacity restriction.

It carries about 4,143 vehicles a day, roughly 7% of them trucks, projected to reach 4,216 by 2032. The structure is 22 ft (6.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 208
CrossesOver Johnston Run
LocationSpringfield Township
RouteState Highway 208
Coordinates41.13815, -80.21511
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating45 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,143 (2024)
Projected traffic4,216 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 SR 208 over Over Johnston Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1984.

What condition is SR 208 over Over Johnston 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 December 2023.

How much traffic does SR 208 over Over Johnston Run carry?

About 4,143 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 208 over Over Johnston Run?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 42 ft wide.

Who owns SR 208 over Over Johnston Run?

It is owned by the State Highway Agency.