US Bridges

SR 474 Jamestown over Over Dean Run

Good

Erie County, Pennsylvania · Venango Township · Structure no. 000000000044298

Built
2007
18 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
969
2024 count
Owner
State
State Highway Agency

About this bridge

SR 474 Jamestown over Over Dean Run is a concrete culvert carrying SR 474 Jamestown over Over Dean Run in Erie County, Pennsylvania. It was built in 2007, so it is 18 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 969 vehicles a day, roughly 13% of them trucks, projected to reach 1,739 by 2032. The structure is 25 ft (7.6 m) long and 37 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 474 Jamestown
CrossesOver Dean Run
LocationVenango Township
RouteState Highway 474
CountyErie County
StatePennsylvania
Coordinates42.01893, -79.7677
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating80 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic969 (2024)
Projected traffic1,739 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 474 Jamestown over Over Dean Run built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR 474 Jamestown over Over Dean Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does SR 474 Jamestown over Over Dean Run carry?

About 969 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 474 Jamestown over Over Dean Run?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 37 ft wide.

Who owns SR 474 Jamestown over Over Dean Run?

It is owned by the State Highway Agency.