US Bridges

Market ST E over Cst Forest Park Ave

Fair

St. Louis city, Missouri · S 22 T 45 N R 7 E · Structure no. 605

Built
1963
62 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
3,239
2024 count
Owner
State
State Highway Agency

About this bridge

Market ST E over Cst Forest Park Ave is a concrete continuous box beam or girders - single or spread carrying Market ST E over Cst Forest Park Ave in St. Louis city, Missouri. It was built in 1963, so it is 62 years old, older 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 5 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 3,239 vehicles a day, roughly 5% of them trucks, projected to reach 4,859 by 2044. The structure is 203 ft (61.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMarket ST E
CrossesCst Forest Park Ave
LocationS 22 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.63131, -90.22981
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length203 ft (61.9 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,239 (2024)
Projected traffic4,859 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Market ST E over Cst Forest Park Ave built?

It was built in 1963, making it 62 years old in 2025.

What condition is Market ST E over Cst Forest Park Ave 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 July 2023.

How much traffic does Market ST E over Cst Forest Park Ave carry?

About 3,239 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Market ST E over Cst Forest Park Ave?

The structure is 203 ft (61.9 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns Market ST E over Cst Forest Park Ave?

It is owned by the State Highway Agency.