US Bridges

SR 99 Main Street over Over Elk Creek

Poor

Erie County, Pennsylvania · Mckean Borough · Structure no. 000000000016148

Built
1952
73 years old, rebuilt 1987
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
60 ft
2 main spans
Daily traffic
6,319
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99 Main Street over Over Elk Creek is a concrete tee beam carrying SR 99 Main Street over Over Elk Creek in Erie County, Pennsylvania. It was built in 1952 and reconstructed in 1987, 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 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 6,319 vehicles a day, roughly 6% of them trucks, projected to reach 6,939 by 2032. The structure is 60 ft (18.3 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 99 Main Street
CrossesOver Elk Creek
LocationMckean Borough
RouteState Highway 99
Coordinates42.00108, -80.14232
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,319 (2024)
Projected traffic6,939 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$70,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 99 Main Street over Over Elk Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1987.

What condition is SR 99 Main Street over Over Elk 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 July 2024.

How much traffic does SR 99 Main Street over Over Elk Creek carry?

About 6,319 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 99 Main Street over Over Elk Creek?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 44 ft wide.

Who owns SR 99 Main Street over Over Elk Creek?

It is owned by the State Highway Agency.