US Bridges

Mountain ST over Drain Dtch

Good

Scott County, Missouri · S 18 T 28 N R 13 E · Structure no. 33807

Built
2010
15 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mountain ST over Drain Dtch is a prestressed concrete box beam or girders - multiple carrying Mountain ST over Drain Dtch in Scott County, Missouri. It was built in 2010, so it is 15 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2043. The structure is 22 ft (6.6 m) long and 15 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMountain ST
CrossesDrain Dtch
LocationS 18 T 28 N R 13 E
RouteCity Street 0
Coordinates37.08908, -89.65781
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span19 ft (5.7 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountain ST over Drain Dtch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Mountain ST over Drain Dtch 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 January 2025.

How much traffic does Mountain ST over Drain Dtch carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mountain ST over Drain Dtch?

The structure is 22 ft (6.6 m) long with a longest span of 19 ft (5.7 m) and a deck 15 ft wide.

Who owns Mountain ST over Drain Dtch?

It is owned by the City or Municipal Highway Agency.