US Bridges

Surrey Hill RD over Minnow Br

Fair

Marion County, Missouri · S 30 T 57 N R 4 W · Structure no. 18425

Built
1975
50 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Surrey Hill RD over Minnow Br is a concrete culvert carrying Surrey Hill RD over Minnow Br in Marion County, Missouri. It was built in 1975, so it is 50 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 900 vehicles a day, roughly 5% of them trucks, projected to reach 1,215 by 2043. The structure is 34 ft (10.4 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSurrey Hill RD
CrossesMinnow Br
LocationS 30 T 57 N R 4 W
RouteCity Street 0
CountyMarion County
StateMissouri
Coordinates39.71178, -91.39525
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,215 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Surrey Hill RD over Minnow Br built?

It was built in 1975, making it 50 years old in 2025.

What condition is Surrey Hill RD over Minnow 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 March 2023.

How much traffic does Surrey Hill RD over Minnow Br carry?

About 900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Surrey Hill RD over Minnow Br?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns Surrey Hill RD over Minnow Br?

It is owned by the City or Municipal Highway Agency.