US Bridges

Elizabeth ST over CSX RR Gloster ST

Poor

Allegheny County, Pennsylvania · 029 Elizabeth ST Bridge · Structure no. 000000000002409

Built
1900
125 years old, rebuilt 1979
Condition
Poor
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
1 main span
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Elizabeth ST over CSX RR Gloster ST is a steel stringer/multi-beam or girder carrying Elizabeth ST over CSX RR Gloster ST in Allegheny County, Pennsylvania. It was built in 1900 and reconstructed in 1979, so it is 125 years old, older than the Pennsylvania average of 54.8 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,300 by 2043. The structure is 115 ft (35.1 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesElizabeth ST
CrossesCSX RR Gloster ST
Location029 Elizabeth ST Bridge
RouteCity Street 0
Coordinates40.40699, -79.94405
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating107 US tons
Inventory rating64 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span82 ft (25 m)
Deck width38 ft (11.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$312,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Elizabeth ST over CSX RR Gloster ST built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1979.

What condition is Elizabeth ST over CSX RR Gloster ST 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 December 2022.

How much traffic does Elizabeth ST over CSX RR Gloster ST carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Elizabeth ST over CSX RR Gloster ST?

The structure is 115 ft (35.1 m) long with a longest span of 82 ft (25 m) and a deck 38 ft wide.

Who owns Elizabeth ST over CSX RR Gloster ST?

It is owned by the City or Municipal Highway Agency.