US Bridges

343rd West over US54 HWY Nl-Sl

Fair

Sedgwick County, Kansas · 3.03 MI E K251 · Structure no. 999905400871181

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
244 ft
4 main spans
Daily traffic
508
2023 count
Owner
State
State Highway Agency

About this bridge

343rd West over US54 HWY Nl-Sl is a concrete continuous box beam or girders - multiple carrying 343rd West over US54 HWY Nl-Sl in Sedgwick County, Kansas. It was built in 1969, so it is 56 years old, older 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 508 vehicles a day, roughly 3% of them trucks. The structure is 244 ft (74.5 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries343rd West
CrossesUS54 HWY Nl-Sl
Location3.03 MI E K251
RouteCounty Highway 8775
CountySedgwick County
StateKansas
Coordinates37.66972, -97.73417
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69.4 US tons
Inventory rating41.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.5 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic508 (2023)
Projected traffic—
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 343rd West over US54 HWY Nl-Sl built?

It was built in 1969, making it 56 years old in 2025.

What condition is 343rd West over US54 HWY Nl-Sl 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 September 2024.

How much traffic does 343rd West over US54 HWY Nl-Sl carry?

About 508 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is 343rd West over US54 HWY Nl-Sl?

The structure is 244 ft (74.5 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns 343rd West over US54 HWY Nl-Sl?

It is owned by the State Highway Agency.