US Bridges

9606 over Willow Br

Fair

Bates County, Missouri · S 12 T 38 N R 30 W · Structure no. 25151

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

9606 over Willow Br is a concrete culvert carrying 9606 over Willow Br in Bates 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 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2043. The structure is 29 ft (8.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries9606
CrossesWillow Br
LocationS 12 T 38 N R 30 W
RouteCounty Highway 642
CountyBates County
StateMissouri
Coordinates38.07801, -94.18606
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic52 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 9606 over Willow Br built?

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

What condition is 9606 over Willow Br 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 December 2024.

How much traffic does 9606 over Willow Br carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 9606 over Willow Br?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 38 ft wide.

Who owns 9606 over Willow Br?

It is owned by the County Highway Agency.