US Bridges

Rt H N over Rt H Cst Broadway Cst

Good

St. Louis city, Missouri · S 35 T 46 N R 7 E · Structure no. 30667

Built
1975
50 years old, rebuilt 2009
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,500 ft
17 main spans
Daily traffic
11,452
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H N over Rt H Cst Broadway Cst is a steel continuous stringer/multi-beam or girder carrying Rt H N over Rt H Cst Broadway Cst in St. Louis city, Missouri. It was built in 1975 and reconstructed in 2009, so it is 50 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,452 vehicles a day, roughly 5% of them trucks, projected to reach 16,033 by 2044. The structure is 1,500 ft (457.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRt H N
CrossesRt H Cst Broadway Cst
LocationS 35 T 46 N R 7 E
RouteState Highway 0H
Coordinates38.68103, -90.20844
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans17
Design loadHL 93
Structure length1,500 ft (457.2 m)
Longest span105 ft (32 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,452 (2024)
Projected traffic16,033 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$16.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt H N over Rt H Cst Broadway Cst built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2009.

What condition is Rt H N over Rt H Cst Broadway Cst in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Rt H N over Rt H Cst Broadway Cst carry?

About 11,452 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt H N over Rt H Cst Broadway Cst?

The structure is 1,500 ft (457.2 m) long with a longest span of 105 ft (32 m) and a deck 55 ft wide.

Who owns Rt H N over Rt H Cst Broadway Cst?

It is owned by the State Highway Agency.