US Bridges

Is 70 E over Martins Br

Fair

Cooper County, Missouri · S 15 T 48 N R 18 W · Structure no. 3783

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
32,786
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Martins Br is a concrete continuous culvert carrying Is 70 E over Martins Br in Cooper County, Missouri. It was built in 1992, so it is 33 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 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 32,786 vehicles a day, roughly 24% of them trucks, projected to reach 59,015 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 E
CrossesMartins Br
LocationS 15 T 48 N R 18 W
RouteInterstate 70
CountyCooper County
StateMissouri
Coordinates38.93505, -92.87434
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,786 (2024)
Projected traffic59,015 by 2044
Trucks24%
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 Martins Br built?

It was built in 1992, making it 33 years old in 2025.

What condition is Is 70 E over Martins Br 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 July 2023.

How much traffic does Is 70 E over Martins Br carry?

About 32,786 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Is 70 E over Martins Br?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Is 70 E over Martins Br?

It is owned by the State Highway Agency.