US Bridges

US 136 E over Dtch

Fair

Scotland County, Missouri · S 9 T 65 N R 11 W · Structure no. 4781

Built
1924
101 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,338
2024 count
Owner
State
State Highway Agency

About this bridge

US 136 E over Dtch is a concrete continuous culvert carrying US 136 E over Dtch in Scotland 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 2,338 vehicles a day, roughly 37% of them trucks, projected to reach 3,624 by 2044. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS 136 E
CrossesDtch
LocationS 9 T 65 N R 11 W
RouteU.S. Route 136
Coordinates40.45586, -92.11969
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 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.7 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 width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,338 (2024)
Projected traffic3,624 by 2044
Trucks37%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 136 E over Dtch built?

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

What condition is US 136 E over Dtch 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 US 136 E over Dtch carry?

About 2,338 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is US 136 E over Dtch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns US 136 E over Dtch?

It is owned by the State Highway Agency.