US Bridges

Montevale Ct over Yarnell CR

Good

St. Louis County, Missouri · S 27 T 44 N R 5 E · Structure no. 17085

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Montevale Ct over Yarnell CR is a prestressed concrete stringer/multi-beam or girder carrying Montevale Ct over Yarnell CR in St. Louis County, Missouri. It was built in 1991, so it is 34 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 405 by 2043. The structure is 110 ft (33.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMontevale Ct
CrossesYarnell CR
LocationS 27 T 44 N R 5 E
RouteCity Street 0
Coordinates38.53016, -90.45231
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic405 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Montevale Ct over Yarnell CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Montevale Ct over Yarnell CR 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 November 2023.

How much traffic does Montevale Ct over Yarnell CR carry?

About 300 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Montevale Ct over Yarnell CR?

The structure is 110 ft (33.5 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Montevale Ct over Yarnell CR?

It is owned by the City or Municipal Highway Agency.