US Bridges

Westminster Exten over Smith Br

Good

Callaway County, Missouri · S 5 T 47 N R 9 W · Structure no. 17548

Built
1980
45 years old
Condition
Good
inspected October 2024
Type
Culvert
Other
Length
22 ft
3 main spans
Daily traffic
120
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westminster Exten over Smith Br is a other culvert carrying Westminster Exten over Smith Br in Callaway 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 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 186 by 2043. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWestminster Exten
CrossesSmith Br
LocationS 5 T 47 N R 9 W
RouteCity Street 0
Coordinates38.87236, -91.95312
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialOther
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic186 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Westminster Exten over Smith Br built?

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

What condition is Westminster Exten over Smith Br 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 October 2024.

How much traffic does Westminster Exten over Smith Br carry?

About 120 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Westminster Exten over Smith Br?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 32 ft wide.

Who owns Westminster Exten over Smith Br?

It is owned by the City or Municipal Highway Agency.