US Bridges

T689 Sunny Drive over Belson Run

Fair

Westmoreland County, Pennsylvania · 750 South of SR 3093 · Structure no. 000000000036920

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
1,100
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T689 Sunny Drive over Belson Run is a concrete slab carrying T689 Sunny Drive over Belson Run in Westmoreland County, Pennsylvania. It was built in 1985, so it is 40 years old, younger 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 1,100 vehicles a day, roughly 3% of them trucks, projected to reach 1,380 by 2036. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT689 Sunny Drive
CrossesBelson Run
Location750 South of SR 3093
RouteCity Street 0T689
Coordinates40.19346, -79.59698
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2016)
Projected traffic1,380 by 2036
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T689 Sunny Drive over Belson Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is T689 Sunny Drive over Belson 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 March 2024.

How much traffic does T689 Sunny Drive over Belson Run carry?

About 1,100 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is T689 Sunny Drive over Belson Run?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns T689 Sunny Drive over Belson Run?

It is owned by the Town or Township Highway Agency.