US Bridges

RS0685 over I70 HWY Nl-Sl

Fair

Trego County, Kansas · 4.92MI E Jt K198 · Structure no. 999907000980041

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
240 ft
4 main spans
Daily traffic
87
2023 count
Owner
State
State Highway Agency

About this bridge

RS0685 over I70 HWY Nl-Sl is a concrete continuous box beam or girders - multiple carrying RS0685 over I70 HWY Nl-Sl in Trego County, Kansas. It was built in 1959, so it is 66 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 87 vehicles a day, roughly 2% of them trucks. The structure is 240 ft (73.3 m) long and 26 ft wide.

Location

Open in Google Maps
CarriesRS0685
CrossesI70 HWY Nl-Sl
Location4.92MI E Jt K198
RouteCounty Highway 685
CountyTrego County
StateKansas
Coordinates39.02306, -100.01972
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating63.6 US tons
Inventory rating38.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length240 ft (73.3 m)
Longest span68 ft (20.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2023)
Projected traffic—
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 RS0685 over I70 HWY Nl-Sl built?

It was built in 1959, making it 66 years old in 2025.

What condition is RS0685 over I70 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 April 2023.

How much traffic does RS0685 over I70 HWY Nl-Sl carry?

About 87 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is RS0685 over I70 HWY Nl-Sl?

The structure is 240 ft (73.3 m) long with a longest span of 68 ft (20.7 m) and a deck 26 ft wide.

Who owns RS0685 over I70 HWY Nl-Sl?

It is owned by the State Highway Agency.