US Bridges

CR37 over Big Brook

Good

Broome County, New York · At Killawog · Structure no. 000000003349440

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
255
2017 count
Owner
County
County Highway Agency

About this bridge

CR37 over Big Brook is a prestressed concrete box beam or girders - multiple carrying CR37 over Big Brook in Broome County, New York. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 255 vehicles a day, roughly 2% of them trucks, projected to reach 357 by 2037. The structure is 92 ft (28 m) long and 27 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCR37
CrossesBig Brook
LocationAt Killawog
RouteCounty Highway 0
Coordinates42.40159, -76.02109
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span88 ft (26.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2017)
Projected traffic357 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$987,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR37 over Big Brook built?

It was built in 2013, making it 12 years old in 2025.

What condition is CR37 over Big Brook 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 August 2023.

How much traffic does CR37 over Big Brook carry?

About 255 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is CR37 over Big Brook?

The structure is 92 ft (28 m) long with a longest span of 88 ft (26.8 m) and a deck 27 ft wide.

Who owns CR37 over Big Brook?

It is owned by the County Highway Agency.