US Bridges

Midland Blvd over Rvr Des Peres

FairPosted for load

St. Louis County, Missouri · S 3 T 45 N R 6 E · Structure no. 15593

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
6,620
2024 count
Owner
County
County Highway Agency

About this bridge

Midland Blvd over Rvr Des Peres is a prestressed concrete stringer/multi-beam or girder carrying Midland Blvd over Rvr Des Peres in St. Louis County, Missouri. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 6,620 vehicles a day, roughly 5% of them trucks, projected to reach 8,937 by 2044. The structure is 82 ft (25 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMidland Blvd
CrossesRvr Des Peres
LocationS 3 T 45 N R 6 E
RouteCounty Highway 0
Coordinates38.67021, -90.32589
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.7 US tons
Inventory rating24.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span77 ft (23.5 m)
Deck width63 ft (19.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,620 (2024)
Projected traffic8,937 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Midland Blvd over Rvr Des Peres built?

It was built in 1987, making it 38 years old in 2025.

What condition is Midland Blvd 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 February 2024.

How much traffic does Midland Blvd over Rvr Des Peres carry?

About 6,620 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Midland Blvd over Rvr Des Peres?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.5 m) and a deck 63 ft wide.

Who owns Midland Blvd over Rvr Des Peres?

It is owned by the County Highway Agency.