US Bridges

Lees Summit RD S over Is 70

Fair

Jackson County, Missouri · S 24 T 49 N R 32 W · Structure no. 3131

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
246 ft
2 main spans
Daily traffic
13,210
2024 count
Owner
State
State Highway Agency

About this bridge

Lees Summit RD S over Is 70 is a steel continuous stringer/multi-beam or girder carrying Lees Summit RD S over Is 70 in Jackson County, Missouri. It was built in 1983, so it is 42 years old, younger than the Missouri average of 45.1 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 13,210 vehicles a day, roughly 5% of them trucks, projected to reach 17,834 by 2044. The structure is 246 ft (75 m) long and 110 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLees Summit RD S
CrossesIs 70
LocationS 24 T 49 N R 32 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates39.04488, -94.38733
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length246 ft (75 m)
Longest span107 ft (32.7 m)
Deck width110 ft (33.5 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,210 (2024)
Projected traffic17,834 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lees Summit RD S over Is 70 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Lees Summit RD S over Is 70 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 Lees Summit RD S over Is 70 carry?

About 13,210 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Lees Summit RD S over Is 70?

The structure is 246 ft (75 m) long with a longest span of 107 ft (32.7 m) and a deck 110 ft wide.

Who owns Lees Summit RD S over Is 70?

It is owned by the State Highway Agency.