US Bridges

Rt Hh S over Huckby CR

Fair

Macon County, Missouri · S 11 T 59 N R 16 W · Structure no. 7012

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
49
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh S over Huckby CR is a concrete continuous culvert carrying Rt Hh S over Huckby CR in Macon County, Missouri. It was built in 1960, so it is 65 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 49 vehicles a day, roughly 15% of them trucks, projected to reach 61 by 2044. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesRt Hh S
CrossesHuckby CR
LocationS 11 T 59 N R 16 W
RouteState Highway 0HH
CountyMacon County
StateMissouri
Coordinates39.94336, -92.64425
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (7 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2024)
Projected traffic61 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Hh S over Huckby CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Rt Hh S over Huckby CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Rt Hh S over Huckby CR carry?

About 49 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rt Hh S over Huckby CR?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Rt Hh S over Huckby CR?

It is owned by the State Highway Agency.