US Bridges

Norfolk RD over Big Brushy CR

Fair

Chariton County, Missouri · S 15 T 56 N R 21 W · Structure no. 12478

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Norfolk RD over Big Brushy CR is a steel stringer/multi-beam or girder carrying Norfolk RD over Big Brushy CR in Chariton County, Missouri. It was built in 1985, so it is 40 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 58 ft (17.7 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNorfolk RD
CrossesBig Brushy CR
LocationS 15 T 56 N R 21 W
RouteCounty Highway 11
Coordinates39.67445, -93.24877
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length58 ft (17.7 m)
Longest span57 ft (17.4 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$309,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Norfolk RD over Big Brushy CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Norfolk RD over Big Brushy CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Norfolk RD over Big Brushy CR carry?

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

How long is Norfolk RD over Big Brushy CR?

The structure is 58 ft (17.7 m) long with a longest span of 57 ft (17.4 m) and a deck 23 ft wide.

Who owns Norfolk RD over Big Brushy CR?

It is owned by the County Highway Agency.