US Bridges

Mo 139 S over Lewis CR

Good

Linn County, Missouri · S 30 T 58 N R 21 W · Structure no. 36682

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
95 ft
3 main spans
Daily traffic
267
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 139 S over Lewis CR is a steel continuous stringer/multi-beam or girder carrying Mo 139 S over Lewis CR in Linn County, Missouri. It was built in 2022, so it is 3 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 267 vehicles a day, roughly 12% of them trucks, projected to reach 334 by 2044. The structure is 95 ft (29.1 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesMo 139 S
CrossesLewis CR
LocationS 30 T 58 N R 21 W
RouteState Highway 139
Coordinates39.8098, -93.30462
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length95 ft (29.1 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic267 (2024)
Projected traffic334 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 139 S over Lewis CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mo 139 S over Lewis CR 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 139 S over Lewis CR carry?

About 267 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 139 S over Lewis CR?

The structure is 95 ft (29.1 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Mo 139 S over Lewis CR?

It is owned by the State Highway Agency.