US Bridges

Mo 7 S over Truman Reservoir

Fair

Benton County, Missouri · S 24 T 40 N R 22 W · Structure no. 2910

Built
1970
55 years old, rebuilt 2010
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
5,128 ft
30 main spans
Daily traffic
5,040
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 7 S over Truman Reservoir is a steel continuous stringer/multi-beam or girder carrying Mo 7 S over Truman Reservoir in Benton County, Missouri. It was built in 1970 and reconstructed in 2010, so it is 55 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 5,040 vehicles a day, roughly 4% of them trucks, projected to reach 8,820 by 2044. The structure is 5,128 ft (1,563.1 m) long and 35 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 7 S
CrossesTruman Reservoir
LocationS 24 T 40 N R 22 W
RouteState Highway 7
Coordinates38.23944, -93.41633
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans30
Design loadH 20
Structure length5,128 ft (1,563.1 m)
Longest span173 ft (52.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,040 (2024)
Projected traffic8,820 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 7 S over Truman Reservoir built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2010.

What condition is Mo 7 S over Truman Reservoir 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 Mo 7 S over Truman Reservoir carry?

About 5,040 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 7 S over Truman Reservoir?

The structure is 5,128 ft (1,563.1 m) long with a longest span of 173 ft (52.7 m) and a deck 35 ft wide.

Who owns Mo 7 S over Truman Reservoir?

It is owned by the State Highway Agency.