US Bridges

I090 EB on Ramp over Morris Ck

Good

Meade County, South Dakota · 0.2 SE Tilford Interch · Structure no. 000000047069511

Built
1963
62 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
224
2023 count
Owner
State
State Highway Agency

About this bridge

I090 EB on Ramp over Morris Ck is a concrete continuous culvert carrying I090 EB on Ramp over Morris Ck in Meade County, South Dakota. It was built in 1963, so it is 62 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 224 vehicles a day, roughly 10% of them trucks, projected to reach 338 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 EB on Ramp
CrossesMorris Ck
Location0.2 SE Tilford Interch
RouteInterstate 90
Coordinates44.29835, -103.43419
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2023)
Projected traffic338 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$15,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I090 EB on Ramp over Morris Ck built?

It was built in 1963, making it 62 years old in 2025.

What condition is I090 EB on Ramp over Morris Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does I090 EB on Ramp over Morris Ck carry?

About 224 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is I090 EB on Ramp over Morris Ck?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns I090 EB on Ramp over Morris Ck?

It is owned by the State Highway Agency.