US Bridges

N Farley RD over Hettich Br

Good

Platte County, Missouri · S 3 T 52 N R 35 W · Structure no. 35339

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

N Farley RD over Hettich Br is a steel culvert carrying N Farley RD over Hettich Br in Platte 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 93 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Farley RD
CrossesHettich Br
LocationS 3 T 52 N R 35 W
RouteCounty Highway 176
Coordinates39.33958, -94.82572
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.
Culvert7 GoodSome minor problems.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic93 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 byOther Local 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 N Farley RD over Hettich Br built?

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

What condition is N Farley RD over Hettich Br 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 N Farley RD over Hettich Br carry?

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

How long is N Farley RD over Hettich Br?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns N Farley RD over Hettich Br?

It is owned by the County Highway Agency and maintained by the Other Local Agency.