US Bridges

Naval Run Road over Little Slate Run

Good

Lycoming County, Pennsylvania · F.D. 12 · Structure no. 000000000067918

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Arch - Deck
Concrete
Length
21 ft
1 main span
Daily traffic
100
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Naval Run Road over Little Slate Run is a concrete arch - deck carrying Naval Run Road over Little Slate Run in Lycoming County, Pennsylvania. It was built in 2022, so it is 3 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 110 by 2046. The structure is 21 ft (6.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNaval Run Road
CrossesLittle Slate Run
LocationF.D. 12
RouteState Lands Road 0
Coordinates41.45759, -77.50529
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic110 by 2046
Trucks3%
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 Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Naval Run Road over Little Slate Run built?

It was built in 2022, making it 3 years old in 2025.

What condition is Naval Run Road over Little Slate 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 November 2024.

How much traffic does Naval Run Road over Little Slate Run carry?

About 100 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Naval Run Road over Little Slate Run?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Naval Run Road over Little Slate Run?

It is owned by the State Park, Forest, or Reservation Agency.