US Bridges

Rt W N over Flat CR

Good

Pettis County, Missouri · S 26 T 45 N R 20 W · Structure no. 33618

Built
2011
14 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
3 main spans
Daily traffic
602
2024 count
Owner
State
State Highway Agency

About this bridge

Rt W N over Flat CR is a steel continuous stringer/multi-beam or girder carrying Rt W N over Flat CR in Pettis County, Missouri. It was built in 2011, so it is 14 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 602 vehicles a day, roughly 7% of them trucks, projected to reach 963 by 2044. The structure is 253 ft (77 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt W N
CrossesFlat CR
LocationS 26 T 45 N R 20 W
RouteState Highway 0W
Coordinates38.64106, -93.08095
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating70.4 US tons
Inventory rating42.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length253 ft (77 m)
Longest span110 ft (33.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic602 (2024)
Projected traffic963 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Rt W N over Flat CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Rt W N over Flat 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 January 2024.

How much traffic does Rt W N over Flat CR carry?

About 602 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt W N over Flat CR?

The structure is 253 ft (77 m) long with a longest span of 110 ft (33.5 m) and a deck 26 ft wide.

Who owns Rt W N over Flat CR?

It is owned by the State Highway Agency.