US Bridges

Rp IS170E to IS64W over Cst S Brentwood Blvd

Good

St. Louis County, Missouri · S 16 T 45 N R 6 E · Structure no. 32261

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
211 ft
2 main spans
Daily traffic
19,242
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS170E to IS64W over Cst S Brentwood Blvd is a prestressed concrete continuous tee beam carrying Rp IS170E to IS64W over Cst S Brentwood Blvd in St. Louis County, Missouri. It was built in 2008, so it is 17 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.

It carries about 19,242 vehicles a day, roughly 4% of them trucks, projected to reach 24,053 by 2044. The structure is 211 ft (64.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRp IS170E to IS64W
CrossesCst S Brentwood Blvd
LocationS 16 T 45 N R 6 E
RouteState Highway 0
Coordinates38.63036, -90.34616
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.4 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length211 ft (64.3 m)
Longest span118 ft (36 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,242 (2024)
Projected traffic24,053 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS170E to IS64W over Cst S Brentwood Blvd built?

It was built in 2008, making it 17 years old in 2025.

What condition is Rp IS170E to IS64W over Cst S Brentwood Blvd 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 October 2024.

How much traffic does Rp IS170E to IS64W over Cst S Brentwood Blvd carry?

About 19,242 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rp IS170E to IS64W over Cst S Brentwood Blvd?

The structure is 211 ft (64.3 m) long with a longest span of 118 ft (36 m) and a deck 30 ft wide.

Who owns Rp IS170E to IS64W over Cst S Brentwood Blvd?

It is owned by the State Highway Agency.