US Bridges

Willow Fork RD over Willow Fk

Fair

Moniteau County, Missouri · S 29 T 45 N R 17 W · Structure no. 15174

Built
1980
45 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
26 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Willow Fork RD over Willow Fk is a steel culvert carrying Willow Fork RD over Willow Fk in Moniteau County, Missouri. It was built in 1980, so it is 45 years old, younger 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 5 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2044. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesWillow Fork RD
CrossesWillow Fk
LocationS 29 T 45 N R 17 W
RouteCounty Highway 87
CountyMoniteau County
StateMissouri
Coordinates38.63375, -92.80808
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length26 ft (7.9 m)
Longest span7 ft (2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic21 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Willow Fork RD over Willow Fk built?

It was built in 1980, making it 45 years old in 2025.

What condition is Willow Fork RD over Willow Fk 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 November 2023.

How much traffic does Willow Fork RD over Willow Fk carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Willow Fork RD over Willow Fk?

The structure is 26 ft (7.9 m) long with a longest span of 7 ft (2 m) and a deck 22 ft wide.

Who owns Willow Fork RD over Willow Fk?

It is owned by the County Highway Agency.