US Bridges

Howell RD over Small CR

Fair

Jackson County, Missouri · S 24 T 49 N R 30 W · Structure no. 16870

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
222
2024 count
Owner
County
County Highway Agency

About this bridge

Howell RD over Small CR is a steel culvert carrying Howell RD over Small CR in Jackson County, Missouri. It was built in 1970, so it is 55 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 5 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 222 vehicles a day, roughly 5% of them trucks, projected to reach 333 by 2044. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHowell RD
CrossesSmall CR
LocationS 24 T 49 N R 30 W
RouteCounty Highway 135
CountyJackson County
StateMissouri
Coordinates39.03806, -94.17393
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2024)
Projected traffic333 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Howell RD over Small CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Howell RD over Small 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 February 2023.

How much traffic does Howell RD over Small CR carry?

About 222 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Howell RD over Small CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns Howell RD over Small CR?

It is owned by the County Highway Agency.