US Bridges

Compton Ave S over Rp IS64W to Forest Park

Fair

St. Louis city, Missouri · S 22 T 45 N R 7 E · Structure no. 30828

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
4,129
2024 count
Owner
State
State Highway Agency

About this bridge

Compton Ave S over Rp IS64W to Forest Park is a prestressed concrete box beam or girders - multiple carrying Compton Ave S over Rp IS64W to Forest Park in St. Louis city, 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 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 4,129 vehicles a day, roughly 5% of them trucks, projected to reach 5,781 by 2044. The structure is 60 ft (18.3 m) long and 162 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCompton Ave S
CrossesRp IS64W to Forest Park
LocationS 22 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.63108, -90.22724
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
Deck7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span55 ft (16.8 m)
Deck width162 ft (49.3 m)
Roadway width159 ft (48.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,129 (2024)
Projected traffic5,781 by 2044
Trucks5%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Compton Ave S over Rp IS64W to Forest Park built?

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

What condition is Compton Ave S over Rp IS64W to Forest Park 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 Compton Ave S over Rp IS64W to Forest Park carry?

About 4,129 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Compton Ave S over Rp IS64W to Forest Park?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 162 ft wide.

Who owns Compton Ave S over Rp IS64W to Forest Park?

It is owned by the State Highway Agency.