US Bridges

SR 4001 over CO Li Br Chillisquaque C

Good

Montour County, Pennsylvania · Village of Comly · Structure no. 000000000039587

Built
1997
28 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
536
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4001 over CO Li Br Chillisquaque C is a prestressed concrete box beam or girders - multiple carrying SR 4001 over CO Li Br Chillisquaque C in Montour County, Pennsylvania. It was built in 1997, so it is 28 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 536 vehicles a day, roughly 5% of them trucks, projected to reach 852 by 2032. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 4001
CrossesCO Li Br Chillisquaque C
LocationVillage of Comly
RouteState Highway 0
Coordinates41.11962, -76.72966
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic536 (2023)
Projected traffic852 by 2032
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4001 over CO Li Br Chillisquaque C built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR 4001 over CO Li Br Chillisquaque C 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 October 2022.

How much traffic does SR 4001 over CO Li Br Chillisquaque C carry?

About 536 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 4001 over CO Li Br Chillisquaque C?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns SR 4001 over CO Li Br Chillisquaque C?

It is owned by the State Highway Agency.