US Bridges

Mo 18 E over Willow Br

Good

Bates County, Missouri · S 2 T 41 N R 33 W · Structure no. 33967

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
425
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 18 E over Willow Br is a prestressed concrete box beam or girders - multiple carrying Mo 18 E over Willow Br in Bates County, Missouri. It was built in 2012, so it is 13 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 425 vehicles a day, roughly 11% of them trucks, projected to reach 574 by 2044. The structure is 75 ft (22.9 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 18 E
CrossesWillow Br
LocationS 2 T 41 N R 33 W
RouteState Highway 18
Coordinates38.39835, -94.53556
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.
Substructure9 ExcellentNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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 rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2024)
Projected traffic574 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 18 E over Willow Br built?

It was built in 2012, making it 13 years old in 2025.

What condition is Mo 18 E over Willow Br 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 October 2023.

How much traffic does Mo 18 E over Willow Br carry?

About 425 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 18 E over Willow Br?

The structure is 75 ft (22.9 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns Mo 18 E over Willow Br?

It is owned by the State Highway Agency.