US Bridges

Sydney RD over Nichols CR

Good

Ralls County, Missouri · S 5 T 55 N R 6 W · Structure no. 35533

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
65
2023 count
Owner
County
County Highway Agency

About this bridge

Sydney RD over Nichols CR is a steel stringer/multi-beam or girder carrying Sydney RD over Nichols CR in Ralls County, Missouri. It was built in 2017, so it is 8 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 65 vehicles a day, roughly 10% of them trucks, projected to reach 81 by 2043. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSydney RD
CrossesNichols CR
LocationS 5 T 55 N R 6 W
RouteCounty Highway 146
Coordinates39.59106, -91.59425
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating55.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span66 ft (20 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2023)
Projected traffic81 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Sydney RD over Nichols CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Sydney RD over Nichols CR 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 June 2024.

How much traffic does Sydney RD over Nichols CR carry?

About 65 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sydney RD over Nichols CR?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20 m) and a deck 27 ft wide.

Who owns Sydney RD over Nichols CR?

It is owned by the County Highway Agency.