US Bridges

Mo 100 E over Dubois CR

Fair

Franklin County, Missouri · S 404 T 44 N R 1 E · Structure no. 1786

Built
1969
56 years old, rebuilt 2008
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
3 main spans
Daily traffic
25,037
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 100 E over Dubois CR is a steel continuous stringer/multi-beam or girder carrying Mo 100 E over Dubois CR in Franklin County, Missouri. It was built in 1969 and reconstructed in 2008, so it is 56 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 25,037 vehicles a day, roughly 16% of them trucks, projected to reach 52,578 by 2044. The structure is 179 ft (54.6 m) long and 83 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMo 100 E
CrossesDubois CR
LocationS 404 T 44 N R 1 E
RouteState Highway 100
CountyFranklin County
StateMissouri
Coordinates38.53002, -90.95929
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length179 ft (54.6 m)
Longest span68 ft (20.7 m)
Deck width83 ft (25.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,037 (2024)
Projected traffic52,578 by 2044
Trucks16%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 100 E over Dubois CR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2008.

What condition is Mo 100 E over Dubois 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 October 2023.

How much traffic does Mo 100 E over Dubois CR carry?

About 25,037 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Mo 100 E over Dubois CR?

The structure is 179 ft (54.6 m) long with a longest span of 68 ft (20.7 m) and a deck 83 ft wide.

Who owns Mo 100 E over Dubois CR?

It is owned by the State Highway Agency.