US Bridges

170th RD over Panther CR

Good

Polk County, Missouri · S 3 T 34 N R 22 W · Structure no. 35278

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
29 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

170th RD over Panther CR is a concrete slab carrying 170th RD over Panther CR in Polk County, Missouri. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 73 by 2044. The structure is 29 ft (8.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries170th RD
CrossesPanther CR
LocationS 3 T 34 N R 22 W
RouteCounty Highway 194
CountyPolk County
StateMissouri
Coordinates37.69722, -93.31861
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating83.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic73 by 2044
Trucks10%
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 170th RD over Panther CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is 170th RD over Panther 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 April 2024.

How much traffic does 170th RD over Panther CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 170th RD over Panther CR?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 22 ft wide.

Who owns 170th RD over Panther CR?

It is owned by the County Highway Agency.