US Bridges

Willmathsville Sch over Cottonwood Fork

Good

Adair County, Missouri · S 35 T 64 N R 14 W · Structure no. 37055

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Willmathsville Sch over Cottonwood Fork is a steel stringer/multi-beam or girder carrying Willmathsville Sch over Cottonwood Fork in Adair County, Missouri. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2043. The structure is 60 ft (18.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWillmathsville Sch
CrossesCottonwood Fork
LocationS 35 T 64 N R 14 W
RouteCounty Highway 71
CountyAdair County
StateMissouri
Coordinates40.30278, -92.43167
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span59 ft (18.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic11 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Willmathsville Sch over Cottonwood Fork built?

It was built in 2023, making it 2 years old in 2025.

What condition is Willmathsville Sch over Cottonwood Fork 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 Willmathsville Sch over Cottonwood Fork carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Willmathsville Sch over Cottonwood Fork?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (18.1 m) and a deck 25 ft wide.

Who owns Willmathsville Sch over Cottonwood Fork?

It is owned by the County Highway Agency.