US Bridges

Farm RD 66 over Br Little Sac Rvr

Good

Greene County, Missouri · S 16 T 30 N R 21 W · Structure no. 34769

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
96
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 66 over Br Little Sac Rvr is a prestressed concrete stringer/multi-beam or girder carrying Farm RD 66 over Br Little Sac Rvr in Greene County, Missouri. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96 vehicles a day, roughly 10% of them trucks, projected to reach 197 by 2044. The structure is 55 ft (16.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFarm RD 66
CrossesBr Little Sac Rvr
LocationS 16 T 30 N R 21 W
RouteCounty Highway 66
Coordinates37.32361, -93.245
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.5 US tons
Inventory rating46.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2024)
Projected traffic197 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Farm RD 66 over Br Little Sac Rvr built?

It was built in 2015, making it 10 years old in 2025.

What condition is Farm RD 66 over Br Little Sac Rvr 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 April 2024.

How much traffic does Farm RD 66 over Br Little Sac Rvr carry?

About 96 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 66 over Br Little Sac Rvr?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Farm RD 66 over Br Little Sac Rvr?

It is owned by the County Highway Agency.