US Bridges

RTE 23 over Underpass Road Center B

Good

Delaware County, New York · 7.1 MI W JCT Rts 23 & 10 · Structure no. 000000001017640

Built
1993
32 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
309 ft
2 main spans
Daily traffic
3,108
2016 count
Owner
State
State Highway Agency

About this bridge

RTE 23 over Underpass Road Center B is a steel continuous stringer/multi-beam or girder carrying RTE 23 over Underpass Road Center B in Delaware County, New York. It was built in 1993, so it is 32 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 3,108 vehicles a day, roughly 10% of them trucks, projected to reach 3,127 by 2041. The structure is 309 ft (94.2 m) long and 42 ft wide. If it were closed, the detour would be 51 mi (82 km).

Location

Open in Google Maps
CarriesRTE 23
CrossesUnderpass Road Center B
Location7.1 MI W JCT Rts 23 & 10
RouteState Highway 23
CountyDelaware County
StateNew York
Coordinates42.43984, -74.74777
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length309 ft (94.2 m)
Longest span180 ft (54.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,108 (2016)
Projected traffic3,127 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed51 mi (82 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 23 over Underpass Road Center B built?

It was built in 1993, making it 32 years old in 2025.

What condition is RTE 23 over Underpass Road Center B 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 June 2023.

How much traffic does RTE 23 over Underpass Road Center B carry?

About 3,108 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is RTE 23 over Underpass Road Center B?

The structure is 309 ft (94.2 m) long with a longest span of 180 ft (54.8 m) and a deck 42 ft wide.

Who owns RTE 23 over Underpass Road Center B?

It is owned by the State Highway Agency.