US Bridges

Mo 149 S over Bryan CR

FairPosted for load

Macon County, Missouri · S 2 T 59 N R 17 W · Structure no. 8933

Built
1933
92 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
3 main spans
Daily traffic
43
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 149 S over Bryan CR is a steel stringer/multi-beam or girder carrying Mo 149 S over Bryan CR in Macon County, Missouri. It was built in 1933, so it is 92 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. Its operating status is: posted for load restriction.

It carries about 43 vehicles a day, roughly 17% of them trucks, projected to reach 54 by 2044. The structure is 60 ft (18.3 m) long and 21 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesMo 149 S
CrossesBryan CR
LocationS 2 T 59 N R 17 W
RouteState Highway 149
CountyMacon County
StateMissouri
Coordinates39.94796, -92.76614
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating24.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length60 ft (18.3 m)
Longest span19 ft (5.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2024)
Projected traffic54 by 2044
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 149 S over Bryan CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 149 S over Bryan CR 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 September 2023.

How much traffic does Mo 149 S over Bryan CR carry?

About 43 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 149 S over Bryan CR?

The structure is 60 ft (18.3 m) long with a longest span of 19 ft (5.8 m) and a deck 21 ft wide.

Who owns Mo 149 S over Bryan CR?

It is owned by the State Highway Agency.