US Bridges

SR0008 Nb&sb over Glade Run

Fair

Butler County, Pennsylvania · Glade Mills · Structure no. 000000000007776

Built
1934
91 years old, rebuilt 1958
Condition
Fair
inspected August 2021
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
20,253
2024 count
Owner
State
State Highway Agency

About this bridge

SR0008 Nb&sb over Glade Run is a concrete culvert carrying SR0008 Nb&sb over Glade Run in Butler County, Pennsylvania. It was built in 1934 and reconstructed in 1958, so it is 91 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,253 vehicles a day, roughly 17% of them trucks, projected to reach 30,802 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR0008 Nb&sb
CrossesGlade Run
LocationGlade Mills
RouteState Highway 8
CountyButler County
StatePennsylvania
Coordinates40.72517, -79.92639
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,253 (2024)
Projected traffic30,802 by 2032
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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$204,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR0008 Nb&sb over Glade Run built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1958.

What condition is SR0008 Nb&sb over Glade Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2021.

How much traffic does SR0008 Nb&sb over Glade Run carry?

About 20,253 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is SR0008 Nb&sb over Glade Run?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns SR0008 Nb&sb over Glade Run?

It is owned by the State Highway Agency.