US Bridges

US 169 S over Jenkins Br

Fair

Clinton County, Missouri · S 34 T 56 N R 33 W · Structure no. 4788

Built
1924
101 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
3,943
2024 count
Owner
State
State Highway Agency

About this bridge

US 169 S over Jenkins Br is a concrete continuous culvert carrying US 169 S over Jenkins Br in Clinton County, Missouri. It was built in 1924, so it is 101 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 3,943 vehicles a day, roughly 15% of them trucks, projected to reach 5,323 by 2044. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesUS 169 S
CrossesJenkins Br
LocationS 34 T 56 N R 33 W
RouteU.S. Route 169
Coordinates39.62481, -94.60067
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 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment6: Equal to present minimum criteria
Operating rating99.2 US tons
Inventory rating59.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,943 (2024)
Projected traffic5,323 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 US 169 S over Jenkins Br built?

It was built in 1924, making it 101 years old in 2025.

What condition is US 169 S over Jenkins 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 December 2024.

How much traffic does US 169 S over Jenkins Br carry?

About 3,943 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is US 169 S over Jenkins Br?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns US 169 S over Jenkins Br?

It is owned by the State Highway Agency.