US Bridges

Jefferson Ave S over Is 64 Rp NOR64 to IS64W

Fair

St. Louis city, Missouri · S 22 T 45 N R 7 W · Structure no. 34268

Built
2013
12 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
153 ft
2 main spans
Daily traffic
21,307
2024 count
Owner
State
State Highway Agency

About this bridge

Jefferson Ave S over Is 64 Rp NOR64 to IS64W is a prestressed concrete tee beam carrying Jefferson Ave S over Is 64 Rp NOR64 to IS64W in St. Louis city, Missouri. It was built in 2013, so it is 12 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 21,307 vehicles a day, roughly 5% of them trucks, projected to reach 29,830 by 2044. The structure is 153 ft (46.6 m) long and 112 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesJefferson Ave S
CrossesIs 64 Rp NOR64 to IS64W
LocationS 22 T 45 N R 7 W
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.62742, -90.21768
Functional classUrban Other Principal 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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating36.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length153 ft (46.6 m)
Longest span75 ft (22.9 m)
Deck width112 ft (34 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic21,307 (2024)
Projected traffic29,830 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jefferson Ave S over Is 64 Rp NOR64 to IS64W built?

It was built in 2013, making it 12 years old in 2025.

What condition is Jefferson Ave S over Is 64 Rp NOR64 to IS64W 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 Jefferson Ave S over Is 64 Rp NOR64 to IS64W carry?

About 21,307 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Jefferson Ave S over Is 64 Rp NOR64 to IS64W?

The structure is 153 ft (46.6 m) long with a longest span of 75 ft (22.9 m) and a deck 112 ft wide.

Who owns Jefferson Ave S over Is 64 Rp NOR64 to IS64W?

It is owned by the State Highway Agency.