US Bridges

Rt Hh S over US 54

Good

Callaway County, Missouri · S 6 T 47 N R 9 W · Structure no. 11975

Built
2001
24 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
303 ft
2 main spans
Daily traffic
378
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh S over US 54 is a steel continuous stringer/multi-beam or girder carrying Rt Hh S over US 54 in Callaway 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 378 vehicles a day, roughly 11% of them trucks, projected to reach 624 by 2044. The structure is 303 ft (92.4 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRt Hh S
CrossesUS 54
LocationS 6 T 47 N R 9 W
RouteState Highway 0HH
Coordinates38.87548, -91.96427
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length303 ft (92.4 m)
Longest span132 ft (40.3 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2024)
Projected traffic624 by 2044
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt Hh S over US 54 built?

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

What condition is Rt Hh S over US 54 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 October 2024.

How much traffic does Rt Hh S over US 54 carry?

About 378 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Hh S over US 54?

The structure is 303 ft (92.4 m) long with a longest span of 132 ft (40.3 m) and a deck 54 ft wide.

Who owns Rt Hh S over US 54?

It is owned by the State Highway Agency.