US Bridges

SR 99 Forest St. over Over Conneaut Creek

Fair

Crawford County, Pennsylvania · Cambridge Township · Structure no. 000000000013055

Built
1930
95 years old, rebuilt 1985
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
96 ft
1 main span
Daily traffic
2,708
2024 count
Owner
State
State Highway Agency

About this bridge

SR 99 Forest St. over Over Conneaut Creek is a steel girder and floorbeam system carrying SR 99 Forest St. over Over Conneaut Creek in Crawford County, Pennsylvania. It was built in 1930 and reconstructed in 1985, so it is 95 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 5 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 2,708 vehicles a day, roughly 6% of them trucks, projected to reach 3,590 by 2032. The structure is 96 ft (29.3 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 99 Forest St.
CrossesOver Conneaut Creek
LocationCambridge Township
RouteState Highway 99
Coordinates41.82947, -80.08368
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating53 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span93 ft (28.3 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,708 (2024)
Projected traffic3,590 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 99 Forest St. over Over Conneaut Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1985.

What condition is SR 99 Forest St. over Over Conneaut Creek 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 August 2024.

How much traffic does SR 99 Forest St. over Over Conneaut Creek carry?

About 2,708 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 99 Forest St. over Over Conneaut Creek?

The structure is 96 ft (29.3 m) long with a longest span of 93 ft (28.3 m) and a deck 34 ft wide.

Who owns SR 99 Forest St. over Over Conneaut Creek?

It is owned by the State Highway Agency.