US Bridges

US 54 W over Is 70

Good

Callaway County, Missouri · S 9 T 48 N R 9 W · Structure no. 37450

Built
2024
1 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
137 ft
2 main spans
Daily traffic
6,989
2024 count
Owner
State
State Highway Agency

About this bridge

US 54 W over Is 70 is a prestressed concrete continuous tee beam carrying US 54 W over Is 70 in Callaway County, Missouri. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 6,989 vehicles a day, roughly 16% of them trucks, projected to reach 12,930 by 2044. The structure is 137 ft (41.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 54 W
CrossesIs 70
LocationS 9 T 48 N R 9 W
RouteU.S. Route 54
Coordinates38.94438, -91.94152
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length137 ft (41.8 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,989 (2024)
Projected traffic12,930 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 54 W over Is 70 built?

It was built in 2024, making it 1 years old in 2025.

What condition is US 54 W over Is 70 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 January 2024.

How much traffic does US 54 W over Is 70 carry?

About 6,989 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 54 W over Is 70?

The structure is 137 ft (41.8 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns US 54 W over Is 70?

It is owned by the State Highway Agency.