US Bridges

SR 4016 over Unt to Walnut Run

Good

Cambria County, Pennsylvania · Northern Camb.Boro.Line · Structure no. 000000000057357

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
2,397
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4016 over Unt to Walnut Run is a concrete culvert carrying SR 4016 over Unt to Walnut Run in Cambria County, Pennsylvania. It was built in 2021, so it is 4 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 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 2,397 vehicles a day, roughly 2% of them trucks, projected to reach 2,300 by 2032. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 4016
CrossesUnt to Walnut Run
LocationNorthern Camb.Boro.Line
RouteState Highway 0
CountyCambria County
StatePennsylvania
Coordinates40.66173, -78.76647
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,397 (2024)
Projected traffic2,300 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 4016 over Unt to Walnut Run built?

It was built in 2021, making it 4 years old in 2025.

What condition is SR 4016 over Unt to Walnut 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 October 2023.

How much traffic does SR 4016 over Unt to Walnut Run carry?

About 2,397 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 4016 over Unt to Walnut Run?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.

Who owns SR 4016 over Unt to Walnut Run?

It is owned by the State Highway Agency.