US Bridges

County RD 56 over Rose Br

Good

Atchison County, Missouri · S 17 T 65 N R 41 W · Structure no. 32716

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 56 over Rose Br is a steel stringer/multi-beam or girder carrying County RD 56 over Rose Br in Atchison County, Missouri. It was built in 2009, so it is 16 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 52 ft (15.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 56
CrossesRose Br
LocationS 17 T 65 N R 41 W
RouteCounty Highway 56
Coordinates40.44361, -95.55083
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span49 ft (15 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 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

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 County RD 56 over Rose Br built?

It was built in 2009, making it 16 years old in 2025.

What condition is County RD 56 over Rose Br 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 February 2024.

How much traffic does County RD 56 over Rose Br carry?

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

How long is County RD 56 over Rose Br?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (15 m) and a deck 25 ft wide.

Who owns County RD 56 over Rose Br?

It is owned by the County Highway Agency.