US Bridges

RTE 931B over Relief

Fair

Onondaga County, New York · 2.3 MI SE Exit 39 of I90 · Structure no. 00000000109331A

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
321 ft
3 main spans
Daily traffic
5,601
2010 count
Owner
State
State Highway Agency

About this bridge

RTE 931B over Relief is a steel stringer/multi-beam or girder carrying RTE 931B over Relief in Onondaga County, New York. It was built in 1975, so it is 50 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,601 vehicles a day, roughly 8% of them trucks, projected to reach 8,079 by 2041. The structure is 321 ft (97.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE 931B
CrossesRelief
Location2.3 MI SE Exit 39 of I90
RouteState Highway 931B
Coordinates43.07993, -76.2246
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length321 ft (97.8 m)
Longest span109 ft (33.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,601 (2010)
Projected traffic8,079 by 2041
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 931B over Relief built?

It was built in 1975, making it 50 years old in 2025.

What condition is RTE 931B over Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does RTE 931B over Relief carry?

About 5,601 vehicles per day (2010 count), of which roughly 8% are trucks.

How long is RTE 931B over Relief?

The structure is 321 ft (97.8 m) long with a longest span of 109 ft (33.2 m) and a deck 28 ft wide.

Who owns RTE 931B over Relief?

It is owned by the State Highway Agency.