US Bridges

Barrett Station RD over Royal Acres CR

GoodPosted for load

St. Louis County, Missouri · S 32 T 45 N R 5 E · Structure no. 34147

Built
2010
15 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
12,800
2024 count
Owner
County
County Highway Agency

About this bridge

Barrett Station RD over Royal Acres CR is a concrete culvert carrying Barrett Station RD over Royal Acres CR in St. Louis County, Missouri. It was built in 2010, so it is 15 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 12,800 vehicles a day, roughly 3% of them trucks, projected to reach 17,280 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBarrett Station RD
CrossesRoyal Acres CR
LocationS 32 T 45 N R 5 E
RouteCounty Highway 0
Coordinates38.59528, -90.47342
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 protection7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2024)
Projected traffic17,280 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Barrett Station RD over Royal Acres CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Barrett Station RD over Royal Acres 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 Barrett Station RD over Royal Acres CR carry?

About 12,800 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Barrett Station RD over Royal Acres CR?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Barrett Station RD over Royal Acres CR?

It is owned by the County Highway Agency.