US Bridges

T-487 (cty Br #65) over Hemlock Creek

Good

Columbia County, Pennsylvania · 2 MI NW of Buckhorn · Structure no. 000000000012805

Built
1991
34 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

T-487 (cty Br #65) over Hemlock Creek is a concrete culvert carrying T-487 (cty Br #65) over Hemlock Creek in Columbia County, Pennsylvania. It was built in 1991, so it is 34 years old, younger 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 70 vehicles a day, projected to reach 108 by 2045. The structure is 32 ft (9.8 m) long and 65 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT-487 (cty Br #65)
CrossesHemlock Creek
Location2 MI NW of Buckhorn
RouteCity Street 0
Coordinates41.04143, -76.52648
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width65 ft (19.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic108 by 2045
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-487 (cty Br #65) over Hemlock Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is T-487 (cty Br #65) over Hemlock Creek 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 April 2023.

How much traffic does T-487 (cty Br #65) over Hemlock Creek carry?

About 70 vehicles per day (2023 count).

How long is T-487 (cty Br #65) over Hemlock Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 65 ft wide.

Who owns T-487 (cty Br #65) over Hemlock Creek?

It is owned by the County Highway Agency.