US Bridges

Rt Aa E over Crow CR

Good

Lafayette County, Missouri · S 20 T 49 N R 24 W · Structure no. 29025

Built
2002
23 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
297
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa E over Crow CR is a prestressed concrete continuous tee beam carrying Rt Aa E over Crow CR in Lafayette County, Missouri. It was built in 2002, so it is 23 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 297 vehicles a day, roughly 10% of them trucks, projected to reach 431 by 2044. The structure is 107 ft (32.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRt Aa E
CrossesCrow CR
LocationS 20 T 49 N R 24 W
RouteState Highway 0AA
Coordinates39.02631, -93.5715
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic297 (2024)
Projected traffic431 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Aa E over Crow CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Rt Aa E over Crow CR 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 2023.

How much traffic does Rt Aa E over Crow CR carry?

About 297 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Aa E over Crow CR?

The structure is 107 ft (32.5 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Rt Aa E over Crow CR?

It is owned by the State Highway Agency.