US Bridges

County RD Zodiac over Lit Drywood CR

Good

Vernon County, Missouri · S 36 T 34 N R 32 W · Structure no. 25252

Built
1998
27 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

County RD Zodiac over Lit Drywood CR is a prestressed concrete stringer/multi-beam or girder carrying County RD Zodiac over Lit Drywood CR in Vernon County, Missouri. It was built in 1998, so it is 27 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 10% of them trucks, projected to reach 98 by 2044. The structure is 251 ft (76.5 m) long and 28 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesCounty RD Zodiac
CrossesLit Drywood CR
LocationS 36 T 34 N R 32 W
RouteCounty Highway 717
Coordinates37.65074, -94.38806
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length251 ft (76.5 m)
Longest span83 ft (25.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic98 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Zodiac over Lit Drywood CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is County RD Zodiac over Lit Drywood 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 February 2024.

How much traffic does County RD Zodiac over Lit Drywood CR carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD Zodiac over Lit Drywood CR?

The structure is 251 ft (76.5 m) long with a longest span of 83 ft (25.3 m) and a deck 28 ft wide.

Who owns County RD Zodiac over Lit Drywood CR?

It is owned by the County Highway Agency.