US Bridges

Pa Tpk (I-76) over SR 2084 Milltown Road

Fair

Allegheny County, Pennsylvania · Near Milltown · Structure no. 000000000002093

Built
1952
73 years old
Condition
Fair
inspected May 2022
Type
Culvert
Concrete
Length
37 ft
1 main span
Daily traffic
38,689
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 2084 Milltown Road is a concrete culvert carrying Pa Tpk (I-76) over SR 2084 Milltown Road in Allegheny County, Pennsylvania. It was built in 1952, so it is 73 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 38,689 vehicles a day, roughly 17% of them trucks, projected to reach 42,977 by 2042. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR 2084 Milltown Road
LocationNear Milltown
RouteInterstate 76
CountyAllegheny County
StatePennsylvania
Coordinates40.51184, -79.79149
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,689 (2022)
Projected traffic42,977 by 2042
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed21.7 mi (35 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$313,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over SR 2084 Milltown Road built?

It was built in 1952, making it 73 years old in 2025.

What condition is Pa Tpk (I-76) over SR 2084 Milltown Road 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 May 2022.

How much traffic does Pa Tpk (I-76) over SR 2084 Milltown Road carry?

About 38,689 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Pa Tpk (I-76) over SR 2084 Milltown Road?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m).

Who owns Pa Tpk (I-76) over SR 2084 Milltown Road?

It is owned by the State Toll Authority.