US Bridges

County RD 8830 over Trib of Howell CR

Good

Howell County, Missouri · S 23 T 24 N R 8 W · Structure no. 29784

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 8830 over Trib of Howell CR is a prestressed concrete slab carrying County RD 8830 over Trib of Howell CR in Howell County, Missouri. It was built in 2003, so it is 22 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 75 vehicles a day, roughly 15% of them trucks, projected to reach 98 by 2043. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty RD 8830
CrossesTrib of Howell CR
LocationS 23 T 24 N R 8 W
RouteCounty Highway 552
CountyHowell County
StateMissouri
Coordinates36.7298, -91.8188
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 protection7 GoodSome minor problems.
Last inspectionNovember 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 rating94.2 US tons
Inventory rating56.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span25 ft (7.6 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic98 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 County RD 8830 over Trib of Howell CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is County RD 8830 over Trib of Howell 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 November 2024.

How much traffic does County RD 8830 over Trib of Howell CR carry?

About 75 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is County RD 8830 over Trib of Howell CR?

The structure is 30 ft (9.1 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns County RD 8830 over Trib of Howell CR?

It is owned by the County Highway Agency.