US Bridges

Rt Aa E over US 54

Fair

Callaway County, Missouri · S 24 T 45 N R 11 W · Structure no. 2900

Built
1984
41 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
307 ft
2 main spans
Daily traffic
3,090
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa E over US 54 is a steel continuous stringer/multi-beam or girder carrying Rt Aa E over US 54 in Callaway County, Missouri. It was built in 1984, so it is 41 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 3,090 vehicles a day, roughly 6% of them trucks, projected to reach 5,099 by 2044. The structure is 307 ft (93.6 m) long and 47 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRt Aa E
CrossesUS 54
LocationS 24 T 45 N R 11 W
RouteState Highway 0AA
Coordinates38.65481, -92.11196
Functional classUrban Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length307 ft (93.6 m)
Longest span130 ft (39.6 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,090 (2024)
Projected traffic5,099 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 Aa E over US 54 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Rt Aa E over US 54 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 November 2024.

How much traffic does Rt Aa E over US 54 carry?

About 3,090 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Aa E over US 54?

The structure is 307 ft (93.6 m) long with a longest span of 130 ft (39.6 m) and a deck 47 ft wide.

Who owns Rt Aa E over US 54?

It is owned by the State Highway Agency.