US Bridges

Rs 305 N 279th over Trib. to Big Arkansas Ri

Poor

Sedgwick County, Kansas · 279THW 0.6 N of 117THN · Structure no. 000000000870090

Built
1999
26 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
742
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 305 N 279th over Trib. to Big Arkansas Ri is a concrete continuous slab carrying Rs 305 N 279th over Trib. to Big Arkansas Ri in Sedgwick County, Kansas. It was built in 1999, so it is 26 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 742 vehicles a day, roughly 7% of them trucks, projected to reach 905 by 2044. The structure is 117 ft (35.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 305 N 279th
CrossesTrib. to Big Arkansas Ri
Location279THW 0.6 N of 117THN
RouteCounty Highway 305
StateKansas
Coordinates37.90621, -97.66542
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.8 m)
Longest span45 ft (13.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic742 (2022)
Projected traffic905 by 2044
Trucks7%
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$300,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 305 N 279th over Trib. to Big Arkansas Ri built?

It was built in 1999, making it 26 years old in 2025.

What condition is Rs 305 N 279th over Trib. to Big Arkansas Ri in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Rs 305 N 279th over Trib. to Big Arkansas Ri carry?

About 742 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Rs 305 N 279th over Trib. to Big Arkansas Ri?

The structure is 117 ft (35.8 m) long with a longest span of 45 ft (13.6 m) and a deck 32 ft wide.

Who owns Rs 305 N 279th over Trib. to Big Arkansas Ri?

It is owned by the County Highway Agency.