US Bridges

Is 70 E over Cst Garth Ave

Good

Boone County, Missouri · S 1 T 48 N R 13 W · Structure no. 35148

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
32,469
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Cst Garth Ave is a steel stringer/multi-beam or girder carrying Is 70 E over Cst Garth Ave in Boone County, Missouri. It was built in 2016, so it is 9 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,469 vehicles a day, roughly 24% of them trucks, projected to reach 53,574 by 2044. The structure is 72 ft (21.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 70 E
CrossesCst Garth Ave
LocationS 1 T 48 N R 13 W
RouteInterstate 70
Coordinates38.96923, -92.33842
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating56.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span72 ft (21.9 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic32,469 (2024)
Projected traffic53,574 by 2044
Trucks24%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 70 E over Cst Garth Ave built?

It was built in 2016, making it 9 years old in 2025.

What condition is Is 70 E over Cst Garth Ave 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 September 2023.

How much traffic does Is 70 E over Cst Garth Ave carry?

About 32,469 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Is 70 E over Cst Garth Ave?

The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 53 ft wide.

Who owns Is 70 E over Cst Garth Ave?

It is owned by the State Highway Agency.