US Bridges

SR 18 over Over Inlet Creek Branch

Poor

Crawford County, Pennsylvania · Summit Township · Structure no. 000000000012923

Built
1924
101 years old, rebuilt 1984
Condition
Poor
inspected October 2023
Type
Tee Beam
Concrete
Length
36 ft
1 main span
Daily traffic
2,069
2023 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Over Inlet Creek Branch is a concrete tee beam carrying SR 18 over Over Inlet Creek Branch in Crawford County, Pennsylvania. It was built in 1924 and reconstructed in 1984, so it is 101 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 3 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 2,069 vehicles a day, roughly 13% of them trucks, projected to reach 3,324 by 2032. The structure is 36 ft (11 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSR 18
CrossesOver Inlet Creek Branch
LocationSummit Township
RouteState Highway 18
Coordinates41.65258, -80.31275
Functional classUrban Minor Arterial

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,069 (2023)
Projected traffic3,324 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$64,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 18 over Over Inlet Creek Branch built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1984.

What condition is SR 18 over Over Inlet Creek Branch 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 SR 18 over Over Inlet Creek Branch carry?

About 2,069 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 18 over Over Inlet Creek Branch?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 34 ft wide.

Who owns SR 18 over Over Inlet Creek Branch?

It is owned by the State Highway Agency.