US Bridges

SW Antelope DR over Br of Log CR

Good

Caldwell County, Missouri · S 5 T 55 N R 28 W · Structure no. 37107

Built
2022
3 years old
Condition
Good
inspected December 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
23 ft
1 main span
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

SW Antelope DR over Br of Log CR is a aluminum, wrought iron, or cast iron culvert carrying SW Antelope DR over Br of Log CR in Caldwell County, Missouri. It was built in 2022, so it is 3 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2043. The structure is 23 ft (7.1 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSW Antelope DR
CrossesBr of Log CR
LocationS 5 T 55 N R 28 W
RouteCounty Highway 401
CountyCaldwell County
StateMissouri
Coordinates39.60169, -94.06047
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating51.6 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width32 ft (9.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic17 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SW Antelope DR over Br of Log CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is SW Antelope DR over Br of Log 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 December 2023.

How much traffic does SW Antelope DR over Br of Log CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW Antelope DR over Br of Log CR?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m) and a deck 32 ft wide.

Who owns SW Antelope DR over Br of Log CR?

It is owned by the County Highway Agency.