US Bridges

70th RD over W Fk Dry Fk

Good

Polk County, Missouri · S 13 T 34 N R 24 W · Structure no. 37035

Built
2023
2 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

70th RD over W Fk Dry Fk is a concrete continuous culvert carrying 70th RD over W Fk Dry Fk in Polk County, Missouri. It was built in 2023, so it is 2 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
Carries70th RD
CrossesW Fk Dry Fk
LocationS 13 T 34 N R 24 W
RouteCounty Highway 123
CountyPolk County
StateMissouri
Coordinates37.68429, -93.50145
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating16.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 70th RD over W Fk Dry Fk built?

It was built in 2023, making it 2 years old in 2025.

What condition is 70th RD over W Fk Dry Fk 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 April 2024.

How much traffic does 70th RD over W Fk Dry Fk carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 70th RD over W Fk Dry Fk?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 22 ft wide.

Who owns 70th RD over W Fk Dry Fk?

It is owned by the County Highway Agency.