US Bridges

T-688 Sposato Road over Montgomery Run

Good

Washington County, Pennsylvania · 150 from TR 735 · Structure no. 000000000035243

Built
1913
112 years old, rebuilt 2014
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
80
2019 count
Owner
County
County Highway Agency

About this bridge

T-688 Sposato Road over Montgomery Run is a prestressed concrete slab carrying T-688 Sposato Road over Montgomery Run in Washington County, Pennsylvania. It was built in 1913 and reconstructed in 2014, so it is 112 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 80 vehicles a day, projected to reach 210 by 2039. The structure is 33 ft (10.1 m) long and 17 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesT-688 Sposato Road
CrossesMontgomery Run
Location150 from TR 735
RouteCity Street 0T688
CountyWashington County
StatePennsylvania
Coordinates40.04023, -80.17881
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic210 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-688 Sposato Road over Montgomery Run built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 2014.

What condition is T-688 Sposato Road over Montgomery 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 August 2023.

How much traffic does T-688 Sposato Road over Montgomery Run carry?

About 80 vehicles per day (2019 count).

How long is T-688 Sposato Road over Montgomery Run?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 17 ft wide.

Who owns T-688 Sposato Road over Montgomery Run?

It is owned by the County Highway Agency.