US Bridges

Mo 13 N over Truman Reservoir

Good

Henry County, Missouri · S 25 T 41 N R 26 W · Structure no. 11856

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
364 ft
5 main spans
Daily traffic
7,135
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 N over Truman Reservoir is a steel continuous stringer/multi-beam or girder carrying Mo 13 N over Truman Reservoir in Henry County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,135 vehicles a day, roughly 28% of them trucks, projected to reach 12,486 by 2044. The structure is 364 ft (110.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 13 N
CrossesTruman Reservoir
LocationS 25 T 41 N R 26 W
RouteState Highway 13
Coordinates38.27624, -93.75964
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating49.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length364 ft (110.9 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,135 (2024)
Projected traffic12,486 by 2044
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 13 N over Truman Reservoir built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mo 13 N over Truman Reservoir in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Mo 13 N over Truman Reservoir carry?

About 7,135 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is Mo 13 N over Truman Reservoir?

The structure is 364 ft (110.9 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns Mo 13 N over Truman Reservoir?

It is owned by the State Highway Agency.