US Bridges

Blackman Hill Rd. over W Br Owego Creek

Good

Tompkins County, New York · 2 MI N of Speedsville · Structure no. 000000003209710

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
129
2017 count
Owner
County
County Highway Agency

About this bridge

Blackman Hill Rd. over W Br Owego Creek is a steel stringer/multi-beam or girder carrying Blackman Hill Rd. over W Br Owego Creek in Tompkins County, New York. It was built in 1994, so it is 31 years old, younger than the New York average of 53 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 129 vehicles a day, roughly 9% of them trucks, projected to reach 181 by 2037. The structure is 70 ft (21.3 m) long and 26 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesBlackman Hill Rd.
CrossesW Br Owego Creek
Location2 MI N of Speedsville
Coordinates42.33074, -76.24693
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span65 ft (19.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2017)
Projected traffic181 by 2037
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$719,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Blackman Hill Rd. over W Br Owego Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Blackman Hill Rd. over W Br Owego 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 October 2024.

How much traffic does Blackman Hill Rd. over W Br Owego Creek carry?

About 129 vehicles per day (2017 count), of which roughly 9% are trucks.

How long is Blackman Hill Rd. over W Br Owego Creek?

The structure is 70 ft (21.3 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.

Who owns Blackman Hill Rd. over W Br Owego Creek?

It is owned by the County Highway Agency.