US Bridges

Sappington RD over Mulberry CR

FairPosted for load

St. Louis County, Missouri · S 17 T 44 N R 6 E · Structure no. 15697

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
4,874
2024 count
Owner
County
County Highway Agency

About this bridge

Sappington RD over Mulberry CR is a concrete continuous culvert carrying Sappington RD over Mulberry CR in St. Louis County, Missouri. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 4,874 vehicles a day, roughly 10% of them trucks, projected to reach 6,580 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesSappington RD
CrossesMulberry CR
LocationS 17 T 44 N R 6 E
RouteCounty Highway 0
Coordinates38.55063, -90.38031
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,874 (2024)
Projected traffic6,580 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sappington RD over Mulberry CR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Sappington RD over Mulberry 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 May 2024.

How much traffic does Sappington RD over Mulberry CR carry?

About 4,874 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Sappington RD over Mulberry CR?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m).

Who owns Sappington RD over Mulberry CR?

It is owned by the County Highway Agency.