US Bridges

County Road 70A over Big Creek

Good

Steuben County, New York · 1.6 MI NE of N Hornell · Structure no. 000000003334700

Built
1973
52 years old, rebuilt 2001
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
1,179
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 70A over Big Creek is a prestressed concrete box beam or girders - multiple carrying County Road 70A over Big Creek in Steuben County, New York. It was built in 1973 and reconstructed in 2001, so it is 52 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 1,179 vehicles a day, roughly 4% of them trucks, projected to reach 1,229 by 2041. The structure is 47 ft (14.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 70A
CrossesBig Creek
Location1.6 MI NE of N Hornell
RouteCounty Highway 0
CountySteuben County
StateNew York
Coordinates42.36726, -77.58237
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,179 (2018)
Projected traffic1,229 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 70A over Big Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2001.

What condition is County Road 70A over Big 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 November 2023.

How much traffic does County Road 70A over Big Creek carry?

About 1,179 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is County Road 70A over Big Creek?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns County Road 70A over Big Creek?

It is owned by the County Highway Agency.