US Bridges

US 60 W over Smith Br

Fair

Howell County, Missouri · S 36 T 27 N R 9 W · Structure no. 4704

Built
1922
103 years old, rebuilt 1951
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
7,661
2024 count
Owner
State
State Highway Agency

About this bridge

US 60 W over Smith Br is a concrete continuous culvert carrying US 60 W over Smith Br in Howell County, Missouri. It was built in 1922 and reconstructed in 1951, so it is 103 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 5 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 7,661 vehicles a day, roughly 19% of them trucks, projected to reach 14,556 by 2044. The structure is 34 ft (10.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 60 W
CrossesSmith Br
LocationS 36 T 27 N R 9 W
RouteU.S. Route 60
CountyHowell County
StateMissouri
Coordinates36.96553, -91.88304
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length34 ft (10.3 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.8 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,661 (2024)
Projected traffic14,556 by 2044
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 W over Smith Br built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1951.

What condition is US 60 W over Smith Br 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 US 60 W over Smith Br carry?

About 7,661 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is US 60 W over Smith Br?

The structure is 34 ft (10.3 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns US 60 W over Smith Br?

It is owned by the State Highway Agency.