US Bridges

County Road 177 over RTE 7 Susquehanna River

Fair

Broome County, New York · At Conklin · Structure no. 000000003358690

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
587 ft
5 main spans
Daily traffic
6,470
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 177 over RTE 7 Susquehanna River is a steel stringer/multi-beam or girder carrying County Road 177 over RTE 7 Susquehanna River in Broome County, New York. It was built in 1964, so it is 61 years old, older 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 6,470 vehicles a day, roughly 10% of them trucks, projected to reach 7,859 by 2041. The structure is 587 ft (178.9 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 177
CrossesRTE 7 Susquehanna River
LocationAt Conklin
RouteCounty Highway 0
CountyBroome County
StateNew York
Coordinates42.09532, -75.83791
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 rating86 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length587 ft (178.9 m)
Longest span117 ft (35.6 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,470 (2019)
Projected traffic7,859 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed5 mi (8 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$7.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 177 over RTE 7 Susquehanna River built?

It was built in 1964, making it 61 years old in 2025.

What condition is County Road 177 over RTE 7 Susquehanna River 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 January 2025.

How much traffic does County Road 177 over RTE 7 Susquehanna River carry?

About 6,470 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is County Road 177 over RTE 7 Susquehanna River?

The structure is 587 ft (178.9 m) long with a longest span of 117 ft (35.6 m) and a deck 33 ft wide.

Who owns County Road 177 over RTE 7 Susquehanna River?

It is owned by the County Highway Agency.