US Bridges

Mo 17 S over Jam UP CR

Fair

Howell County, Missouri · S 22 T 27 N R 7 W · Structure no. 8843

Built
1933
92 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
2,579
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 17 S over Jam UP CR is a concrete continuous culvert carrying Mo 17 S over Jam UP CR in Howell County, Missouri. It was built in 1933, so it is 92 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 2,579 vehicles a day, roughly 9% of them trucks, projected to reach 4,126 by 2044. The structure is 24 ft (7.2 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 17 S
CrossesJam UP CR
LocationS 22 T 27 N R 7 W
RouteState Highway 17
CountyHowell County
StateMissouri
Coordinates36.99345, -91.70375
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,579 (2024)
Projected traffic4,126 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Mo 17 S over Jam UP CR built?

It was built in 1933, making it 92 years old in 2025.

What condition is Mo 17 S over Jam UP 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 October 2024.

How much traffic does Mo 17 S over Jam UP CR carry?

About 2,579 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 17 S over Jam UP CR?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Mo 17 S over Jam UP CR?

It is owned by the State Highway Agency.