US Bridges

Mo 115 S over Is 70 Rv 70

Fair

St. Louis city, Missouri · S 2 T 45 N R 7 E · Structure no. 12047

Built
2001
24 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
5 main spans
Daily traffic
6,723
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 115 S over Is 70 Rv 70 is a steel continuous stringer/multi-beam or girder carrying Mo 115 S over Is 70 Rv 70 in St. Louis city, 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 6,723 vehicles a day, roughly 9% of them trucks, projected to reach 9,412 by 2044. The structure is 275 ft (83.8 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMo 115 S
CrossesIs 70 Rv 70
LocationS 2 T 45 N R 7 E
RouteState Highway 115
CountySt. Louis city
StateMissouri
Coordinates38.66195, -90.19724
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length275 ft (83.8 m)
Longest span70 ft (21.3 m)
Deck width59 ft (18 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,723 (2024)
Projected traffic9,412 by 2044
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 115 S over Is 70 Rv 70 built?

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

What condition is Mo 115 S 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 Mo 115 S over Is 70 Rv 70 carry?

About 6,723 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 115 S over Is 70 Rv 70?

The structure is 275 ft (83.8 m) long with a longest span of 70 ft (21.3 m) and a deck 59 ft wide.

Who owns Mo 115 S over Is 70 Rv 70?

It is owned by the State Highway Agency.