US Bridges

Argo RD over Br of Parsons CR

Good

Linn County, Missouri · S 17 T 59 N R 21 W · Structure no. 36068

Built
2019
6 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Argo RD over Br of Parsons CR is a concrete culvert carrying Argo RD over Br of Parsons CR in Linn County, Missouri. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 11 by 2044. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesArgo RD
CrossesBr of Parsons CR
LocationS 17 T 59 N R 21 W
RouteCounty Highway 39
Coordinates39.93972, -93.27957
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.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Argo RD over Br of Parsons CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is Argo RD over Br of Parsons 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 2024.

How much traffic does Argo RD over Br of Parsons CR carry?

About 10 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Argo RD over Br of Parsons CR?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Argo RD over Br of Parsons CR?

It is owned by the County Highway Agency.