US Bridges

Mill Street over Mill Creek

Fair

Beaver County, Pennsylvania · Int. of Mill ST & Reddog · Structure no. 000000000045922

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
600
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mill Street over Mill Creek is a concrete culvert carrying Mill Street over Mill Creek in Beaver County, Pennsylvania. It was built in 1950, so it is 75 years old, older than the Pennsylvania average of 54.8 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 600 vehicles a day, roughly 1% of them trucks, projected to reach 750 by 2042. The structure is 36 ft (11 m) long and 53 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMill Street
CrossesMill Creek
LocationInt. of Mill ST & Reddog
RouteCity Street 0
Coordinates40.59847, -80.476
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width53 ft (16.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic750 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Street over Mill Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mill Street over Mill 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 April 2024.

How much traffic does Mill Street over Mill Creek carry?

About 600 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Mill Street over Mill Creek?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 53 ft wide.

Who owns Mill Street over Mill Creek?

It is owned by the City or Municipal Highway Agency.