US Bridges

Shaftesbury Ave over Rvr Des Peres

Fair

St. Louis County, Missouri · S 3 T 45 N R 6 E · Structure no. 30639

Built
2005
20 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
2,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Shaftesbury Ave over Rvr Des Peres is a prestressed concrete stringer/multi-beam or girder carrying Shaftesbury Ave over Rvr Des Peres in St. Louis County, Missouri. It was built in 2005, so it is 20 years old, younger 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,375 by 2043. The structure is 68 ft (20.6 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesShaftesbury Ave
CrossesRvr Des Peres
LocationS 3 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.66641, -90.33038
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.6 m)
Longest span65 ft (19.8 m)
Deck width53 ft (16.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,375 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Shaftesbury Ave over Rvr Des Peres built?

It was built in 2005, making it 20 years old in 2025.

What condition is Shaftesbury Ave over Rvr Des Peres 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 December 2023.

How much traffic does Shaftesbury Ave over Rvr Des Peres carry?

About 2,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Shaftesbury Ave over Rvr Des Peres?

The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.8 m) and a deck 53 ft wide.

Who owns Shaftesbury Ave over Rvr Des Peres?

It is owned by the City or Municipal Highway Agency.