US Bridges

County Road 70A over Big Creek

Fair

Steuben County, New York · 3 Miles West of Howard · Structure no. 000000003334690

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
38 ft
2 main spans
Daily traffic
1,179
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 70A over Big Creek is a steel culvert carrying County Road 70A over Big Creek in Steuben County, New York. It was built in 1968, so it is 57 years old, older 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 1,179 vehicles a day, roughly 4% of them trucks, projected to reach 1,229 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCounty Road 70A
CrossesBig Creek
Location3 Miles West of Howard
RouteCounty Highway 0
Coordinates42.37011, -77.56648
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed0.6 mi (1 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$306,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 70A over Big Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is County Road 70A over Big Creek 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 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 38 ft (11.6 m) long with a longest span of 11 ft (3.3 m).

Who owns County Road 70A over Big Creek?

It is owned by the County Highway Agency.