US Bridges

County RD 585 over Br. N. Fabius Rvr

Good

Lewis County, Missouri · S 19 T 60 N R 6 E · Structure no. 37085

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 585 over Br. N. Fabius Rvr is a prestressed concrete tee beam carrying County RD 585 over Br. N. Fabius Rvr in Lewis County, Missouri. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 120 ft (36.6 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 585
CrossesBr. N. Fabius Rvr
LocationS 19 T 60 N R 6 E
RouteCounty Highway 280
Coordinates39.98806, -91.59833
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating72.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span116 ft (35.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
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 585 over Br. N. Fabius Rvr built?

It was built in 2023, making it 2 years old in 2025.

What condition is County RD 585 over Br. N. Fabius 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 February 2024.

How much traffic does County RD 585 over Br. N. Fabius Rvr carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 585 over Br. N. Fabius Rvr?

The structure is 120 ft (36.6 m) long with a longest span of 116 ft (35.4 m) and a deck 25 ft wide.

Who owns County RD 585 over Br. N. Fabius Rvr?

It is owned by the County Highway Agency.