US Bridges

Erie Zoo Drive over Over Mill Creek

PoorClosed to traffic

Erie County, Pennsylvania · 0.3 Mi.E.Of Peach Street · Structure no. 000000000016515

Built
1934
91 years old
Condition
Poor
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
45 ft
1 main span
Daily traffic
—
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

Erie Zoo Drive over Over Mill Creek is a steel girder and floorbeam system carrying Erie Zoo Drive over Over Mill Creek in Erie County, Pennsylvania. It was built in 1934, so it is 91 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 1 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. Its operating status is: closed to all traffic.

No traffic count is recorded. The structure is 45 ft (13.7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesErie Zoo Drive
CrossesOver Mill Creek
Location0.3 Mi.E.Of Peach Street
RouteCity Street 7302
Coordinates42.09833, -80.07601
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.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width38 ft (11.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$476,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Erie Zoo Drive over Over Mill Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Erie Zoo Drive over 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 October 2023.

How much traffic does Erie Zoo Drive over Over Mill Creek carry?

No traffic count is recorded for this structure.

How long is Erie Zoo Drive over Over Mill Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 38 ft wide.

Who owns Erie Zoo Drive over Over Mill Creek?

It is owned by the City or Municipal Highway Agency.