US Bridges

Northland DR over Bear CR

Fair

Boone County, Missouri · S 31 T 49 N R 12 W · Structure no. 15406

Built
1980
45 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
28 ft
3 main spans
Daily traffic
720
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Northland DR over Bear CR is a concrete slab carrying Northland DR over Bear CR in Boone County, Missouri. It was built in 1980, so it is 45 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 720 vehicles a day, roughly 2% of them trucks, projected to reach 1,260 by 2043. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNorthland DR
CrossesBear CR
LocationS 31 T 49 N R 12 W
RouteCity Street 0
CountyBoone County
StateMissouri
Coordinates38.98156, -92.32272
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2023)
Projected traffic1,260 by 2043
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Northland DR over Bear CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Northland DR over Bear 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 Northland DR over Bear CR carry?

About 720 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Northland DR over Bear CR?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 32 ft wide.

Who owns Northland DR over Bear CR?

It is owned by the City or Municipal Highway Agency.