US Bridges

Mo 13 S over US 36

Good

Caldwell County, Missouri · S 24 T 57 N R 28 W · Structure no. 9

Built
1958
67 years old, rebuilt 2022
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
221 ft
4 main spans
Daily traffic
3,233
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 S over US 36 is a steel continuous stringer/multi-beam or girder carrying Mo 13 S over US 36 in Caldwell County, Missouri. It was built in 1958 and reconstructed in 2022, so it is 67 years old, older 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 3,233 vehicles a day, roughly 13% of them trucks, projected to reach 4,365 by 2044. The structure is 221 ft (67.4 m) long and 44 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMo 13 S
CrossesUS 36
LocationS 24 T 57 N R 28 W
RouteState Highway 13
Coordinates39.73354, -94.00057
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length221 ft (67.4 m)
Longest span66 ft (20.1 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,233 (2024)
Projected traffic4,365 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 13 S over US 36 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2022.

What condition is Mo 13 S over US 36 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 November 2024.

How much traffic does Mo 13 S over US 36 carry?

About 3,233 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 13 S over US 36?

The structure is 221 ft (67.4 m) long with a longest span of 66 ft (20.1 m) and a deck 44 ft wide.

Who owns Mo 13 S over US 36?

It is owned by the State Highway Agency.