US Bridges

Rt H N over Is 70 Rv 70

Fair

St. Louis city, Missouri · S 34 T 46 N R 7 E · Structure no. 12016

Built
2000
25 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
259 ft
5 main spans
Daily traffic
12,614
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H N over Is 70 Rv 70 is a steel stringer/multi-beam or girder carrying Rt H N over Is 70 Rv 70 in St. Louis city, Missouri. It was built in 2000, so it is 25 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 12,614 vehicles a day, roughly 5% of them trucks, projected to reach 17,660 by 2044. The structure is 259 ft (78.9 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRt H N
CrossesIs 70 Rv 70
LocationS 34 T 46 N R 7 E
RouteState Highway 0H
CountySt. Louis city
StateMissouri
Coordinates38.6796, -90.21117
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length259 ft (78.9 m)
Longest span59 ft (18 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,614 (2024)
Projected traffic17,660 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$3.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt H N over Is 70 Rv 70 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rt H N over Is 70 Rv 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 July 2023.

How much traffic does Rt H N over Is 70 Rv 70 carry?

About 12,614 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt H N over Is 70 Rv 70?

The structure is 259 ft (78.9 m) long with a longest span of 59 ft (18 m) and a deck 51 ft wide.

Who owns Rt H N over Is 70 Rv 70?

It is owned by the State Highway Agency.