US Bridges

Bermuda DR S over Is 70

Fair

St. Louis County, Missouri · S 24 T 46 N R 6 E · Structure no. 12039

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
2 main spans
Daily traffic
4,596
2024 count
Owner
State
State Highway Agency

About this bridge

Bermuda DR S over Is 70 is a steel continuous stringer/multi-beam or girder carrying Bermuda DR S over Is 70 in St. Louis County, Missouri. It was built in 2001, so it is 24 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 4,596 vehicles a day, roughly 5% of them trucks, projected to reach 6,894 by 2044. The structure is 229 ft (69.8 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesBermuda DR S
CrossesIs 70
LocationS 24 T 46 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.71685, -90.29768
Functional classUrban Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span118 ft (35.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,596 (2024)
Projected traffic6,894 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bermuda DR S over Is 70 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Bermuda DR S over Is 70 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 September 2024.

How much traffic does Bermuda DR S over Is 70 carry?

About 4,596 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Bermuda DR S over Is 70?

The structure is 229 ft (69.8 m) long with a longest span of 118 ft (35.9 m) and a deck 30 ft wide.

Who owns Bermuda DR S over Is 70?

It is owned by the State Highway Agency.