US Bridges

County RD 440 over Gallons CR

Fair

Callaway County, Missouri · S 7 T 45 N R 9 W · Structure no. 20557

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 440 over Gallons CR is a concrete culvert carrying County RD 440 over Gallons CR in Callaway County, Missouri. It was built in 1984, so it is 41 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 15 vehicles a day, roughly 5% of them trucks, projected to reach 23 by 2043. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCounty RD 440
CrossesGallons CR
LocationS 7 T 45 N R 9 W
RouteCounty Highway 264
CountyCallaway County
StateMissouri
Coordinates38.68969, -91.98269
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic23 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 County RD 440 over Gallons CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is County RD 440 over Gallons CR 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 October 2024.

How much traffic does County RD 440 over Gallons CR carry?

About 15 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County RD 440 over Gallons CR?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns County RD 440 over Gallons CR?

It is owned by the County Highway Agency.