US Bridges

Mo 149 S over US 36

Good

Macon County, Missouri · S 7 T 57 N R 16 W · Structure no. 30348

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
352 ft
4 main spans
Daily traffic
581
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 149 S over US 36 is a steel continuous stringer/multi-beam or girder carrying Mo 149 S over US 36 in Macon County, Missouri. It was built in 2004, so it is 21 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 581 vehicles a day, roughly 18% of them trucks, projected to reach 726 by 2044. The structure is 352 ft (107.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 149 S
CrossesUS 36
LocationS 7 T 57 N R 16 W
RouteState Highway 149
Coordinates39.76532, -92.7486
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length352 ft (107.4 m)
Longest span146 ft (44.5 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic581 (2024)
Projected traffic726 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 149 S over US 36 built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mo 149 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 September 2023.

How much traffic does Mo 149 S over US 36 carry?

About 581 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Mo 149 S over US 36?

The structure is 352 ft (107.4 m) long with a longest span of 146 ft (44.5 m) and a deck 42 ft wide.

Who owns Mo 149 S over US 36?

It is owned by the State Highway Agency.