US Bridges

Mt. Jackson Rd. over Hickory Run

Good

Lawrence County, Pennsylvania · 1/2 Mi. West of SR 0317 · Structure no. 000000000022232

Built
1923
102 years old, rebuilt 2014
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
1,558
2024 count
Owner
State
State Highway Agency

About this bridge

Mt. Jackson Rd. over Hickory Run is a steel stringer/multi-beam or girder carrying Mt. Jackson Rd. over Hickory Run in Lawrence County, Pennsylvania. It was built in 1923 and reconstructed in 2014, so it is 102 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,558 vehicles a day, roughly 7% of them trucks, projected to reach 1,646 by 2032. The structure is 49 ft (14.9 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMt. Jackson Rd.
CrossesHickory Run
Location1/2 Mi. West of SR 0317
RouteState Highway 108
CountyLawrence County
StatePennsylvania
Coordinates40.96085, -80.44348
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.2 US tons
Inventory rating67.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,558 (2024)
Projected traffic1,646 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$403,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mt. Jackson Rd. over Hickory Run built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 2014.

What condition is Mt. Jackson Rd. over Hickory Run 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 July 2024.

How much traffic does Mt. Jackson Rd. over Hickory Run carry?

About 1,558 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mt. Jackson Rd. over Hickory Run?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 30 ft wide.

Who owns Mt. Jackson Rd. over Hickory Run?

It is owned by the State Highway Agency.