US Bridges

Baumgartner RD over Br of Mattese CR

GoodPosted for load

St. Louis County, Missouri · S 15 T 43 N R 6 E · Structure no. 15704

Built
1982
43 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
12,499
2024 count
Owner
County
County Highway Agency

About this bridge

Baumgartner RD over Br of Mattese CR is a concrete culvert carrying Baumgartner RD over Br of Mattese CR in St. Louis County, Missouri. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 12,499 vehicles a day, roughly 20% of them trucks, projected to reach 16,874 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesBaumgartner RD
CrossesBr of Mattese CR
LocationS 15 T 43 N R 6 E
RouteCounty Highway 0
Coordinates38.45864, -90.33516
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,499 (2024)
Projected traffic16,874 by 2044
Trucks20%
Lanes on structure2
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 Baumgartner RD over Br of Mattese CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is Baumgartner RD over Br of Mattese 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 April 2024.

How much traffic does Baumgartner RD over Br of Mattese CR carry?

About 12,499 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is Baumgartner RD over Br of Mattese CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns Baumgartner RD over Br of Mattese CR?

It is owned by the County Highway Agency.