US Bridges

Colt Road over Chestnut Creek

GoodPosted for load

Mercer County, Pennsylvania · 1500FT West of Rt 846 · Structure no. 000000000026232

Built
1975
50 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
202
2023 count
Owner
County
County Highway Agency

About this bridge

Colt Road over Chestnut Creek is a concrete culvert carrying Colt Road over Chestnut Creek in Mercer County, Pennsylvania. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 202 vehicles a day, roughly 4% of them trucks, projected to reach 260 by 2039. The structure is 22 ft (6.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesColt Road
CrossesChestnut Creek
Location1500FT West of Rt 846
RouteCity Street 7220
CountyMercer County
StatePennsylvania
Coordinates41.34822, -80.46027
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2023)
Projected traffic260 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Colt Road over Chestnut Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Colt Road over Chestnut Creek 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 June 2023.

How much traffic does Colt Road over Chestnut Creek carry?

About 202 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Colt Road over Chestnut Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Colt Road over Chestnut Creek?

It is owned by the County Highway Agency.