US Bridges

County RD #231 over White Spr & Snowde

Good

Madison County, Missouri · S 6 T 32 N R 7 E · Structure no. 16200

Built
1979
46 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD #231 over White Spr & Snowde is a concrete culvert carrying County RD #231 over White Spr & Snowde in Madison County, Missouri. It was built in 1979, so it is 46 years old, older 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2044. The structure is 28 ft (8.5 m) long and 11 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD #231
CrossesWhite Spr & Snowde
LocationS 6 T 32 N R 7 E
RouteCounty Highway 114
CountyMadison County
StateMissouri
Coordinates37.49318, -90.20578
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width11 ft (3.5 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic20 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD #231 over White Spr & Snowde built?

It was built in 1979, making it 46 years old in 2025.

What condition is County RD #231 over White Spr & Snowde 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 December 2023.

How much traffic does County RD #231 over White Spr & Snowde carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD #231 over White Spr & Snowde?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 11 ft wide.

Who owns County RD #231 over White Spr & Snowde?

It is owned by the County Highway Agency.