US Bridges

Germania RD over Rock CR

Fair

St. Louis city, Missouri · S 12 T 44 N R 6 E · Structure no. 15284

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
13,430
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Germania RD over Rock CR is a concrete culvert carrying Germania RD over Rock CR in St. Louis city, Missouri. It was built in 1956, so it is 69 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 13,430 vehicles a day, roughly 3% of them trucks, projected to reach 18,131 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesGermania RD
CrossesRock CR
LocationS 12 T 44 N R 6 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.56136, -90.28517
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating54.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,430 (2024)
Projected traffic18,131 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Germania RD over Rock CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Germania RD over Rock 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 April 2024.

How much traffic does Germania RD over Rock CR carry?

About 13,430 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Germania RD over Rock CR?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Germania RD over Rock CR?

It is owned by the City or Municipal Highway Agency.