US Bridges

T-488 Hollis Road over Over Watson Run

Good

Crawford County, Pennsylvania · 1 MI.S.SR-0006 on T-488 · Structure no. 000000000013504

Built
1960
65 years old, rebuilt 2015
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

T-488 Hollis Road over Over Watson Run is a steel stringer/multi-beam or girder carrying T-488 Hollis Road over Over Watson Run in Crawford County, Pennsylvania. It was built in 1960 and reconstructed in 2015, so it is 65 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2043. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-488 Hollis Road
CrossesOver Watson Run
Location1 MI.S.SR-0006 on T-488
RouteCity Street 7230
Coordinates41.60232, -80.22444
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 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 rating64.6 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length61 ft (18.6 m)
Longest span59 ft (18 m)
Deck width25 ft (7.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic500 by 2043
Trucks1%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$705,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-488 Hollis Road over Over Watson Run built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2015.

What condition is T-488 Hollis Road over Over Watson 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-488 Hollis Road over Over Watson Run carry?

About 400 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-488 Hollis Road over Over Watson Run?

The structure is 61 ft (18.6 m) long with a longest span of 59 ft (18 m) and a deck 25 ft wide.

Who owns T-488 Hollis Road over Over Watson Run?

It is owned by the County Highway Agency.