US Bridges

Rt Mm S over Spitzer Hollow

Fair

Howell County, Missouri · S 27 T 23 N R 10 W · Structure no. 8027

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
368
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm S over Spitzer Hollow is a concrete continuous culvert carrying Rt Mm S over Spitzer Hollow in Howell County, Missouri. It was built in 1960, so it is 65 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 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 368 vehicles a day, roughly 5% of them trucks, projected to reach 552 by 2044. The structure is 24 ft (7.4 m) long and 28 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesRt Mm S
CrossesSpitzer Hollow
LocationS 27 T 23 N R 10 W
RouteState Highway 0MM
Coordinates36.63835, -92.05309
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.4 m)
Longest span9 ft (2.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic368 (2024)
Projected traffic552 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Mm S over Spitzer Hollow built?

It was built in 1960, making it 65 years old in 2025.

What condition is Rt Mm S over Spitzer Hollow 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 October 2024.

How much traffic does Rt Mm S over Spitzer Hollow carry?

About 368 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt Mm S over Spitzer Hollow?

The structure is 24 ft (7.4 m) long with a longest span of 9 ft (2.7 m) and a deck 28 ft wide.

Who owns Rt Mm S over Spitzer Hollow?

It is owned by the State Highway Agency.