US Bridges

Rs 1723 Bsn 790 over Porcupine Creek

Fair

Jewell County, Kansas · 5.4N of Dentonia · Structure no. 000000000450790

Built
1985
40 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
56
2018 count
Owner
County
County Highway Agency

About this bridge

Rs 1723 Bsn 790 over Porcupine Creek is a steel stringer/multi-beam or girder carrying Rs 1723 Bsn 790 over Porcupine Creek in Jewell County, Kansas. It was built in 1985, so it is 40 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 56 vehicles a day, roughly 10% of them trucks, projected to reach 56 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRs 1723 Bsn 790
CrossesPorcupine Creek
Location5.4N of Dentonia
RouteCounty Highway 1723
CountyJewell County
StateKansas
Coordinates39.76039, -98.46714
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.8 US tons
Inventory rating26.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width27 ft (8.1 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
Trucks10%
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$150,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 1723 Bsn 790 over Porcupine Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rs 1723 Bsn 790 over Porcupine Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Rs 1723 Bsn 790 over Porcupine Creek carry?

About 56 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Rs 1723 Bsn 790 over Porcupine Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 27 ft wide.

Who owns Rs 1723 Bsn 790 over Porcupine Creek?

It is owned by the County Highway Agency.