US Bridges

Glen Mary Drive over Thorn Hollow Creek

Fair

Tioga County, New York · 2.4 MI W of Owego - CR906 · Structure no. 000000003335110

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
1,120
2021 count
Owner
County
County Highway Agency

About this bridge

Glen Mary Drive over Thorn Hollow Creek is a concrete continuous culvert carrying Glen Mary Drive over Thorn Hollow Creek in Tioga County, New York. It was built in 1985, so it is 40 years old, younger than the New York average of 53 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 1,120 vehicles a day, roughly 8% of them trucks, projected to reach 1,168 by 2041. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesGlen Mary Drive
CrossesThorn Hollow Creek
Location2.4 MI W of Owego - CR906
RouteCounty Highway 0
Coordinates42.09656, -76.30496
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating97 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span15 ft (4.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2021)
Projected traffic1,168 by 2041
Trucks8%
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$571,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Glen Mary Drive over Thorn Hollow Creek built?

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

What condition is Glen Mary Drive over Thorn Hollow Creek 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 2023.

How much traffic does Glen Mary Drive over Thorn Hollow Creek carry?

About 1,120 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Glen Mary Drive over Thorn Hollow Creek?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.5 m) and a deck 31 ft wide.

Who owns Glen Mary Drive over Thorn Hollow Creek?

It is owned by the County Highway Agency.