US Bridges

W 85th ST N Loc RD over Big Slough

Fair

Sedgwick County, Kansas · 85THN 0.5 E of 311THW · Structure no. 000870781505980

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
62 ft
4 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

W 85th ST N Loc RD over Big Slough is a concrete culvert carrying W 85th ST N Loc RD over Big Slough in Sedgwick County, Kansas. It was built in 1977, so it is 48 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 40 vehicles a day, projected to reach 60 by 2044. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesW 85th ST N Loc RD
CrossesBig Slough
Location85THN 0.5 E of 311THW
RouteCounty Highway 0
CountySedgwick County
StateKansas
Coordinates37.83973, -97.69324
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length62 ft (18.9 m)
Longest span16 ft (4.9 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2022)
Projected traffic60 by 2044
Trucks0%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W 85th ST N Loc RD over Big Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is W 85th ST N Loc RD over Big Slough 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 April 2023.

How much traffic does W 85th ST N Loc RD over Big Slough carry?

About 40 vehicles per day (2022 count).

How long is W 85th ST N Loc RD over Big Slough?

The structure is 62 ft (18.9 m) long with a longest span of 16 ft (4.9 m) and a deck 33 ft wide.

Who owns W 85th ST N Loc RD over Big Slough?

It is owned by the County Highway Agency.