US Bridges

County RD 670 over Drain Dtch No 16

Good

Butler County, Missouri · S 19 T 23 N R 8 E · Structure no. 31260

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 670 over Drain Dtch No 16 is a prestressed concrete stringer/multi-beam or girder carrying County RD 670 over Drain Dtch No 16 in Butler County, Missouri. It was built in 2006, so it is 19 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 135 by 2044. The structure is 80 ft (24.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 670
CrossesDrain Dtch No 16
LocationS 19 T 23 N R 8 E
RouteCounty Highway 670
Coordinates36.63141, -90.22916
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span77 ft (23.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic135 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 670 over Drain Dtch No 16 built?

It was built in 2006, making it 19 years old in 2025.

What condition is County RD 670 over Drain Dtch No 16 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 November 2023.

How much traffic does County RD 670 over Drain Dtch No 16 carry?

About 100 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is County RD 670 over Drain Dtch No 16?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.5 m) and a deck 26 ft wide.

Who owns County RD 670 over Drain Dtch No 16?

It is owned by the County Highway Agency.