US Bridges

Is 70 W over Horseshoe CR

Fair

Lafayette County, Missouri · S 34 T 49 N R 29 W · Structure no. 136

Built
1963
62 years old, rebuilt 1994
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
3 main spans
Daily traffic
22,696
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Horseshoe CR is a steel stringer/multi-beam or girder carrying Is 70 W over Horseshoe CR in Lafayette County, Missouri. It was built in 1963 and reconstructed in 1994, so it is 62 years old, older 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 5 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 22,696 vehicles a day, roughly 35% of them trucks, projected to reach 41,988 by 2044. The structure is 146 ft (44.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesHorseshoe CR
LocationS 34 T 49 N R 29 W
RouteInterstate 70
CountyLafayette County
StateMissouri
Coordinates39.0145, -94.10709
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length146 ft (44.5 m)
Longest span50 ft (15.3 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,696 (2024)
Projected traffic41,988 by 2044
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Is 70 W over Horseshoe CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1994.

What condition is Is 70 W over Horseshoe CR 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 January 2025.

How much traffic does Is 70 W over Horseshoe CR carry?

About 22,696 vehicles per day (2024 count), of which roughly 35% are trucks.

How long is Is 70 W over Horseshoe CR?

The structure is 146 ft (44.5 m) long with a longest span of 50 ft (15.3 m) and a deck 42 ft wide.

Who owns Is 70 W over Horseshoe CR?

It is owned by the State Highway Agency.