US Bridges

Derhake RD over New Fountain CR

Fair

St. Louis County, Missouri · S 1202 T 47 N R 6 E · Structure no. 17250

Built
1995
30 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Derhake RD over New Fountain CR is a concrete culvert carrying Derhake RD over New Fountain CR in St. Louis County, Missouri. It was built in 1995, so it is 30 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 4,050 by 2043. The structure is 28 ft (8.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesDerhake RD
CrossesNew Fountain CR
LocationS 1202 T 47 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.78066, -90.32108
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,050 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 Derhake RD over New Fountain CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Derhake RD over New Fountain 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 January 2024.

How much traffic does Derhake RD over New Fountain CR carry?

About 3,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Derhake RD over New Fountain CR?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 42 ft wide.

Who owns Derhake RD over New Fountain CR?

It is owned by the City or Municipal Highway Agency.