US Bridges

Rp 14th ST to IS64 over Cst 14th ST

FairPosted for load

St. Louis city, Missouri · S 23 T 45 N R 7 E · Structure no. 1261

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
806 ft
10 main spans
Daily traffic
9,927
2024 count
Owner
State
State Highway Agency

About this bridge

Rp 14th ST to IS64 over Cst 14th ST is a concrete continuous box beam or girders - single or spread carrying Rp 14th ST to IS64 over Cst 14th ST in St. Louis city, Missouri. It was built in 1967, so it is 58 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 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 9,927 vehicles a day, roughly 18% of them trucks, projected to reach 12,409 by 2044. The structure is 806 ft (245.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp 14th ST to IS64
CrossesCst 14th ST
LocationS 23 T 45 N R 7 E
RouteState Highway 0
CountySt. Louis city
StateMissouri
Coordinates38.62429, -90.20401
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length806 ft (245.7 m)
Longest span118 ft (36 m)
Deck width24 ft (7.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,927 (2024)
Projected traffic12,409 by 2044
Trucks18%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 Rp 14th ST to IS64 over Cst 14th ST built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rp 14th ST to IS64 over Cst 14th ST 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 April 2024.

How much traffic does Rp 14th ST to IS64 over Cst 14th ST carry?

About 9,927 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp 14th ST to IS64 over Cst 14th ST?

The structure is 806 ft (245.7 m) long with a longest span of 118 ft (36 m) and a deck 24 ft wide.

Who owns Rp 14th ST to IS64 over Cst 14th ST?

It is owned by the State Highway Agency.