US Bridges

I70 HWY Nl-Sl over Solomon River Drainage

Fair

Saline County, Kansas · 9.74 MI E of K143 · Structure no. 999907000850741

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
8,900
2023 count
Owner
State
State Highway Agency

About this bridge

I70 HWY Nl-Sl over Solomon River Drainage is a concrete culvert carrying I70 HWY Nl-Sl over Solomon River Drainage in Saline County, Kansas. It was built in 1961, so it is 64 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 8,900 vehicles a day, roughly 20% of them trucks, projected to reach 10,647 by 2044. The structure is 35 ft (10.8 m) long and 131 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI70 HWY Nl-Sl
CrossesSolomon River Drainage
Location9.74 MI E of K143
RouteInterstate 70
CountySaline County
StateKansas
Coordinates38.9075, -97.44083
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length35 ft (10.8 m)
Longest span12 ft (3.7 m)
Deck width131 ft (39.8 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2023)
Projected traffic10,647 by 2044
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I70 HWY Nl-Sl over Solomon River Drainage built?

It was built in 1961, making it 64 years old in 2025.

What condition is I70 HWY Nl-Sl over Solomon River Drainage 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 October 2023.

How much traffic does I70 HWY Nl-Sl over Solomon River Drainage carry?

About 8,900 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I70 HWY Nl-Sl over Solomon River Drainage?

The structure is 35 ft (10.8 m) long with a longest span of 12 ft (3.7 m) and a deck 131 ft wide.

Who owns I70 HWY Nl-Sl over Solomon River Drainage?

It is owned by the State Highway Agency.