US Bridges

Highland Road over N Br Big Brook

Good

Cortland County, New York · 3.7 Miles W of Marathon · Structure no. 000000003311960

Built
1960
65 years old, rebuilt 2007
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
158
2019 count
Owner
County
County Highway Agency

About this bridge

Highland Road over N Br Big Brook is a steel stringer/multi-beam or girder carrying Highland Road over N Br Big Brook in Cortland County, New York. It was built in 1960 and reconstructed in 2007, so it is 65 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 158 vehicles a day, roughly 9% of them trucks, projected to reach 221 by 2039. The structure is 24 ft (7.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHighland Road
CrossesN Br Big Brook
Location3.7 Miles W of Marathon
RouteCounty Highway 0
Coordinates42.45159, -76.09722
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158 (2019)
Projected traffic221 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$383,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Highland Road over N Br Big Brook built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2007.

What condition is Highland Road over N Br 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 October 2023.

How much traffic does Highland Road over N Br Big Brook carry?

About 158 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Highland Road over N Br Big Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.

Who owns Highland Road over N Br Big Brook?

It is owned by the County Highway Agency.