US Bridges

County Road 29 over Mix Creek

Fair

Cattaraugus County, New York · 4.3 Miles South of Olean · Structure no. 000000003322830

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
1,505
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Mix Creek is a concrete culvert carrying County Road 29 over Mix Creek in Cattaraugus County, New York. It was built in 1988, so it is 37 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 1,505 vehicles a day, roughly 5% of them trucks, projected to reach 1,520 by 2041. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCounty Road 29
CrossesMix Creek
Location4.3 Miles South of Olean
RouteCounty Highway 0
Coordinates42.00049, -78.41234
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,505 (2020)
Projected traffic1,520 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$283,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 29 over Mix Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is County Road 29 over Mix 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 June 2023.

How much traffic does County Road 29 over Mix Creek carry?

About 1,505 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County Road 29 over Mix Creek?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road 29 over Mix Creek?

It is owned by the County Highway Agency.