US Bridges

County Road 133 over Mill Creek

Poor

Chautauqua County, New York · 0.2 MI NW CR133 and CR77 · Structure no. 000000003326170

Built
1991
34 years old
Condition
Poor
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
310
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 133 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying County Road 133 over Mill Creek in Chautauqua County, New York. It was built in 1991, so it is 34 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 310 vehicles a day, roughly 3% of them trucks, projected to reach 434 by 2041. The structure is 84 ft (25.6 m) long and 32 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCounty Road 133
CrossesMill Creek
Location0.2 MI NW CR133 and CR77
RouteCounty Highway 0
Coordinates42.27029, -79.25937
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating103 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span81 ft (24.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2021)
Projected traffic434 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 133 over Mill Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 133 over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does County Road 133 over Mill Creek carry?

About 310 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is County Road 133 over Mill Creek?

The structure is 84 ft (25.6 m) long with a longest span of 81 ft (24.6 m) and a deck 32 ft wide.

Who owns County Road 133 over Mill Creek?

It is owned by the County Highway Agency.