US Bridges

CR21 over Trib Nanticoke Creek

Good

Broome County, New York · 3.5 MI North of Maine · Structure no. 000000003349550

Built
1970
55 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
968
2021 count
Owner
County
County Highway Agency

About this bridge

CR21 over Trib Nanticoke Creek is a concrete culvert carrying CR21 over Trib Nanticoke Creek in Broome County, New York. It was built in 1970, so it is 55 years old, older 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 968 vehicles a day, roughly 4% of them trucks, projected to reach 1,355 by 2041. The structure is 26 ft (7.9 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR21
CrossesTrib Nanticoke Creek
Location3.5 MI North of Maine
RouteCounty Highway 0
Coordinates42.25808, -76.05006
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic968 (2021)
Projected traffic1,355 by 2041
Trucks4%
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$642,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR21 over Trib Nanticoke Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR21 over Trib Nanticoke 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 May 2024.

How much traffic does CR21 over Trib Nanticoke Creek carry?

About 968 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is CR21 over Trib Nanticoke Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 47 ft wide.

Who owns CR21 over Trib Nanticoke Creek?

It is owned by the County Highway Agency.