US Bridges

RTE 173 over CSX Trans/Amtrak

Good

Onondaga County, New York · .5 MI SE JCT SH 173 & I90 · Structure no. 000000003313220

Built
2001
24 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
1 main span
Daily traffic
1,695
2018 count
Owner
County
County Highway Agency

About this bridge

RTE 173 over CSX Trans/Amtrak is a steel stringer/multi-beam or girder carrying RTE 173 over CSX Trans/Amtrak in Onondaga County, New York. It was built in 2001, so it is 24 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 1,695 vehicles a day, roughly 5% of them trucks, projected to reach 2,369 by 2041. The structure is 87 ft (26.5 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 173
CrossesCSX Trans/Amtrak
Location.5 MI SE JCT SH 173 & I90
RouteState Highway 173
Coordinates43.08514, -76.32907
Functional classRural Major Collector

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.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length87 ft (26.5 m)
Longest span79 ft (24.2 m)
Deck width59 ft (18 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,695 (2018)
Projected traffic2,369 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 173 over CSX Trans/Amtrak built?

It was built in 2001, making it 24 years old in 2025.

What condition is RTE 173 over CSX Trans/Amtrak 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 173 over CSX Trans/Amtrak carry?

About 1,695 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is RTE 173 over CSX Trans/Amtrak?

The structure is 87 ft (26.5 m) long with a longest span of 79 ft (24.2 m) and a deck 59 ft wide.

Who owns RTE 173 over CSX Trans/Amtrak?

It is owned by the County Highway Agency.