US Bridges

Mercer Street over Over French Creek

Poor

Crawford County, Pennsylvania · Mercer Street Meadville · Structure no. 000000000013532

Built
1936
89 years old, rebuilt 1984
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
221 ft
1 main span
Daily traffic
9,000
2023 count
Owner
County
County Highway Agency

About this bridge

Mercer Street over Over French Creek is a steel truss - thru carrying Mercer Street over Over French Creek in Crawford County, Pennsylvania. It was built in 1936 and reconstructed in 1984, so it is 89 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 9,000 vehicles a day, roughly 8% of them trucks, projected to reach 11,250 by 2043. The structure is 221 ft (67.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMercer Street
CrossesOver French Creek
LocationMercer Street Meadville
RouteCity Street 0
Coordinates41.6324, -80.1606
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span214 ft (65.2 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic9,000 (2023)
Projected traffic11,250 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mercer Street over Over French Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1984.

What condition is Mercer Street over Over French 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 August 2023.

How much traffic does Mercer Street over Over French Creek carry?

About 9,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Mercer Street over Over French Creek?

The structure is 221 ft (67.4 m) long with a longest span of 214 ft (65.2 m) and a deck 31 ft wide.

Who owns Mercer Street over Over French Creek?

It is owned by the County Highway Agency.