US Bridges

Rt Aa S over Roark Br

Fair

Cole County, Missouri · S 23 T 43 N R 14 W · Structure no. 8443

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
1,225
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over Roark Br is a concrete continuous culvert carrying Rt Aa S over Roark Br in Cole County, Missouri. It was built in 1965, so it is 60 years old, older 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 1,225 vehicles a day, roughly 11% of them trucks, projected to reach 1,960 by 2044. The structure is 44 ft (13.3 m) long and 66 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesRt Aa S
CrossesRoark Br
LocationS 23 T 43 N R 14 W
RouteState Highway 0AA
CountyCole County
StateMissouri
Coordinates38.46702, -92.42876
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length44 ft (13.3 m)
Longest span14 ft (4.3 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,225 (2024)
Projected traffic1,960 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Aa S over Roark Br built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt Aa S over Roark Br 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 July 2024.

How much traffic does Rt Aa S over Roark Br carry?

About 1,225 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Aa S over Roark Br?

The structure is 44 ft (13.3 m) long with a longest span of 14 ft (4.3 m) and a deck 66 ft wide.

Who owns Rt Aa S over Roark Br?

It is owned by the State Highway Agency.