US Bridges

Tower Grove Ave S over Is 64 Rp Boyle Ave to I

Good

St. Louis city, Missouri · S 17 T 45 N R 7 E · Structure no. 34265

Built
2014
11 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
9,215
2024 count
Owner
State
State Highway Agency

About this bridge

Tower Grove Ave S over Is 64 Rp Boyle Ave to I is a prestressed concrete stringer/multi-beam or girder carrying Tower Grove Ave S over Is 64 Rp Boyle Ave to I in St. Louis city, Missouri. It was built in 2014, so it is 11 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 9,215 vehicles a day, roughly 10% of them trucks, projected to reach 13,823 by 2044. The structure is 210 ft (64 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTower Grove Ave S
CrossesIs 64 Rp Boyle Ave to I
LocationS 17 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.63098, -90.25474
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating95.2 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length210 ft (64 m)
Longest span78 ft (23.8 m)
Deck width44 ft (13.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,215 (2024)
Projected traffic13,823 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Tower Grove Ave S over Is 64 Rp Boyle Ave to I built?

It was built in 2014, making it 11 years old in 2025.

What condition is Tower Grove Ave S over Is 64 Rp Boyle Ave to I 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 July 2023.

How much traffic does Tower Grove Ave S over Is 64 Rp Boyle Ave to I carry?

About 9,215 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Tower Grove Ave S over Is 64 Rp Boyle Ave to I?

The structure is 210 ft (64 m) long with a longest span of 78 ft (23.8 m) and a deck 44 ft wide.

Who owns Tower Grove Ave S over Is 64 Rp Boyle Ave to I?

It is owned by the State Highway Agency.