US Bridges

County RD 326 over N Fabius Rvr

Good

Clark County, Missouri · S 17 T 63 N R 9 W · Structure no. 21840

Built
1991
34 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 326 over N Fabius Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying County RD 326 over N Fabius Rvr in Clark County, Missouri. It was built in 1991, so it is 34 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2044. The structure is 240 ft (73.2 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesCounty RD 326
CrossesN Fabius Rvr
LocationS 17 T 63 N R 9 W
RouteCounty Highway 326
CountyClark County
StateMissouri
Coordinates40.26525, -91.91311
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span90 ft (27.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 326 over N Fabius Rvr built?

It was built in 1991, making it 34 years old in 2025.

What condition is County RD 326 over N Fabius Rvr 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 August 2023.

How much traffic does County RD 326 over N Fabius Rvr carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 326 over N Fabius Rvr?

The structure is 240 ft (73.2 m) long with a longest span of 90 ft (27.4 m) and a deck 27 ft wide.

Who owns County RD 326 over N Fabius Rvr?

It is owned by the County Highway Agency.