US Bridges

Rt N S over Ball CR

Fair

St. Louis County, Missouri · S 14 T 46 N R 6 E · Structure no. 6164

Built
1949
76 years old, rebuilt 1978
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
16,587
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Ball CR is a concrete continuous culvert carrying Rt N S over Ball CR in St. Louis County, Missouri. It was built in 1949 and reconstructed in 1978, so it is 76 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 5 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 16,587 vehicles a day, roughly 5% of them trucks, projected to reach 23,222 by 2044. The structure is 30 ft (9 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesRt N S
CrossesBall CR
LocationS 14 T 46 N R 6 E
RouteState Highway 0N
CountySt. Louis County
StateMissouri
Coordinates38.72903, -90.30189
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,587 (2024)
Projected traffic23,222 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 N S over Ball CR built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1978.

What condition is Rt N S over Ball 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 November 2023.

How much traffic does Rt N S over Ball CR carry?

About 16,587 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt N S over Ball CR?

The structure is 30 ft (9 m) long with a longest span of 9 ft (2.7 m).

Who owns Rt N S over Ball CR?

It is owned by the State Highway Agency.