US Bridges

Is 70 E over Witchet CR

Fair

Lafayette County, Missouri · S 35 T 49 N R 37 W · Structure no. 75

Built
1960
65 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
34,521
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Witchet CR is a concrete continuous culvert carrying Is 70 E over Witchet CR in Lafayette County, Missouri. It was built in 1960, so it is 65 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 34,521 vehicles a day, roughly 43% of them trucks, projected to reach 63,864 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesWitchet CR
LocationS 35 T 49 N R 37 W
RouteInterstate 70
CountyLafayette County
StateMissouri
Coordinates39.00484, -93.86952
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,521 (2024)
Projected traffic63,864 by 2044
Trucks43%
Lanes on structure4
Traffic directionTwo-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 E over Witchet CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Is 70 E over Witchet 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 2023.

How much traffic does Is 70 E over Witchet CR carry?

About 34,521 vehicles per day (2024 count), of which roughly 43% are trucks.

How long is Is 70 E over Witchet CR?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Is 70 E over Witchet CR?

It is owned by the State Highway Agency.