US Bridges

Arctic RD over Unnamed Str

Good

Macon County, Missouri · S 7 T 58 N R 17 W · Structure no. 37448

Built
2020
5 years old
Condition
Good
inspected February 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Arctic RD over Unnamed Str is a aluminum, wrought iron, or cast iron culvert carrying Arctic RD over Unnamed Str in Macon County, Missouri. It was built in 2020, so it is 5 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 29 ft (8.9 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesArctic RD
CrossesUnnamed Str
LocationS 7 T 58 N R 17 W
RouteCounty Highway 365
Coordinates39.85355, -92.85054
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert9 ExcellentNo problems noted.
Last inspectionFebruary 2024
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 rating110.1 US tons
Inventory rating101.2 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span29 ft (8.9 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Arctic RD over Unnamed Str built?

It was built in 2020, making it 5 years old in 2025.

What condition is Arctic RD over Unnamed Str 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 February 2024.

How much traffic does Arctic RD over Unnamed Str carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Arctic RD over Unnamed Str?

The structure is 29 ft (8.9 m) long with a longest span of 29 ft (8.9 m) and a deck 23 ft wide.

Who owns Arctic RD over Unnamed Str?

It is owned by the County Highway Agency.