US Bridges

Wyatt Lane over Nelson CR

FairPosted for load

Boone County, Missouri · S 27 T 49 N R 12 W · Structure no. 21323

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
35 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Wyatt Lane over Nelson CR is a concrete channel beam carrying Wyatt Lane over Nelson CR in Boone County, Missouri. It was built in 1970, so it is 55 years old, older 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 6% of them trucks, projected to reach 350 by 2043. The structure is 35 ft (10.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWyatt Lane
CrossesNelson CR
LocationS 27 T 49 N R 12 W
RouteCounty Highway 301
CountyBoone County
StateMissouri
Coordinates39.00171, -92.25311
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic350 by 2043
Trucks6%
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 Wyatt Lane over Nelson CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Wyatt Lane over Nelson 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 December 2024.

How much traffic does Wyatt Lane over Nelson CR carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Wyatt Lane over Nelson CR?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Wyatt Lane over Nelson CR?

It is owned by the County Highway Agency.