US Bridges

Rt Aa S over Crane CR

Fair

Stone County, Missouri · S 21 T 25 N R 23 W · Structure no. 2247

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
349 ft
7 main spans
Daily traffic
238
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over Crane CR is a steel continuous stringer/multi-beam or girder carrying Rt Aa S over Crane CR in Stone County, Missouri. It was built in 1971, so it is 54 years old, older 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 5 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 238 vehicles a day, roughly 15% of them trucks, projected to reach 476 by 2044. The structure is 349 ft (106.4 m) long and 31 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesRt Aa S
CrossesCrane CR
LocationS 21 T 25 N R 23 W
RouteState Highway 0AA
CountyStone County
StateMissouri
Coordinates36.85563, -93.45443
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length349 ft (106.4 m)
Longest span76 ft (23.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic238 (2024)
Projected traffic476 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 S over Crane CR built?

It was built in 1971, making it 54 years old in 2025.

What condition is Rt Aa S over Crane CR 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 June 2024.

How much traffic does Rt Aa S over Crane CR carry?

About 238 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rt Aa S over Crane CR?

The structure is 349 ft (106.4 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.

Who owns Rt Aa S over Crane CR?

It is owned by the State Highway Agency.