US Bridges

SR 4018 over Spruce Run

Good

Columbia County, Pennsylvania · 2.0 MI SW Millville Boro · Structure no. 000000000012722

Built
1932
93 years old, rebuilt 2011
Condition
Good
inspected February 2024
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
259
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4018 over Spruce Run is a concrete channel beam carrying SR 4018 over Spruce Run in Columbia County, Pennsylvania. It was built in 1932 and reconstructed in 2011, so it is 93 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 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 259 vehicles a day, roughly 9% of them trucks, projected to reach 313 by 2032. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 4018
CrossesSpruce Run
Location2.0 MI SW Millville Boro
RouteState Highway 0
CountyColumbia County
StatePennsylvania
Coordinates41.09571, -76.54207
Functional classRural Minor 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating87 US tons
Inventory rating52 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic259 (2023)
Projected traffic313 by 2032
Trucks9%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4018 over Spruce Run built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2011.

What condition is SR 4018 over Spruce 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 February 2024.

How much traffic does SR 4018 over Spruce Run carry?

About 259 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 4018 over Spruce Run?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns SR 4018 over Spruce Run?

It is owned by the State Highway Agency.