US Bridges

NFSR 135 over Big Mill Creek

GoodPosted for load

Elk County, Pennsylvania · At Intersection NFSR 143 · Structure no. 091904000032366

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Truss - Thru
Steel
Length
70 ft
1 main span
Daily traffic
50
2010 count
Owner
Federal
U.S. Forest Service

About this bridge

NFSR 135 over Big Mill Creek is a steel truss - thru carrying NFSR 135 over Big Mill Creek in Elk County, Pennsylvania. It was built in 2010, so it is 15 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 70 ft (21.3 m) long and 14 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesNFSR 135
CrossesBig Mill Creek
LocationAt Intersection NFSR 143
RouteFederal Lands Road 135
CountyElk County
StatePennsylvania
Coordinates41.4684, -78.8511
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating16.4 US tons
Inventory rating12.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1 (+2 approach)
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span62 ft (18.8 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byPrivate (other than railroad)
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NFSR 135 over Big Mill Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is NFSR 135 over Big Mill Creek 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 September 2024.

How much traffic does NFSR 135 over Big Mill Creek carry?

About 50 vehicles per day (2010 count).

How long is NFSR 135 over Big Mill Creek?

The structure is 70 ft (21.3 m) long with a longest span of 62 ft (18.8 m) and a deck 14 ft wide.

Who owns NFSR 135 over Big Mill Creek?

It is owned by the U.S. Forest Service and maintained by the Private (other than railroad).