US Bridges

Rs 1723 Bsn 780 over Porcupine Creek

Good

Jewell County, Kansas · 4.8N of Dentonia · Structure no. 000000000450780

Built
1988
37 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
56
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 1723 Bsn 780 over Porcupine Creek is a concrete continuous slab carrying Rs 1723 Bsn 780 over Porcupine Creek in Jewell County, Kansas. It was built in 1988, so it is 37 years old, younger than the Kansas average of 52.8 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 56 vehicles a day, projected to reach 56 by 2043. The structure is 92 ft (27.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1723 Bsn 780
CrossesPorcupine Creek
Location4.8N of Dentonia
RouteCounty Highway 1723
CountyJewell County
StateKansas
Coordinates39.75296, -98.46725
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (27.9 m)
Longest span33 ft (10 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic56 (2018)
Projected traffic56 by 2043
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$325,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1723 Bsn 780 over Porcupine Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Rs 1723 Bsn 780 over Porcupine 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 March 2023.

How much traffic does Rs 1723 Bsn 780 over Porcupine Creek carry?

About 56 vehicles per day (2018 count).

How long is Rs 1723 Bsn 780 over Porcupine Creek?

The structure is 92 ft (27.9 m) long with a longest span of 33 ft (10 m) and a deck 28 ft wide.

Who owns Rs 1723 Bsn 780 over Porcupine Creek?

It is owned by the County Highway Agency.