US Bridges

County RD NW 630 over Ricky CR

Fair

St. Clair County, Missouri · S 25 T 39 N R 28 W · Structure no. 29412

Built
2002
23 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

County RD NW 630 over Ricky CR is a steel stringer/multi-beam or girder carrying County RD NW 630 over Ricky CR in St. Clair County, Missouri. It was built in 2002, so it is 23 years old, younger 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2043. The structure is 51 ft (15.5 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD NW 630
CrossesRicky CR
LocationS 25 T 39 N R 28 W
RouteCounty Highway 630
CountySt. Clair County
StateMissouri
Coordinates38.11755, -93.94533
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic24 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 NW 630 over Ricky CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD NW 630 over Ricky 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 December 2023.

How much traffic does County RD NW 630 over Ricky CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD NW 630 over Ricky CR?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 20 ft wide.

Who owns County RD NW 630 over Ricky CR?

It is owned by the County Highway Agency.