US Bridges

Mo 94 E over Synthianna CR

Fair

Montgomery County, Missouri · S 32 T 46 N R 6 W · Structure no. 7054

Built
1958
67 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
630
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Synthianna CR is a concrete continuous culvert carrying Mo 94 E over Synthianna CR in Montgomery County, Missouri. It was built in 1958, so it is 67 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 630 vehicles a day, roughly 6% of them trucks, projected to reach 977 by 2044. The structure is 47 ft (14.4 m) long and 36 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

Location

Open in Google Maps
CarriesMo 94 E
CrossesSynthianna CR
LocationS 32 T 46 N R 6 W
RouteState Highway 94
CountyMontgomery County
StateMissouri
Coordinates38.70825, -91.62566
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length47 ft (14.4 m)
Longest span13 ft (4 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2024)
Projected traffic977 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 94 E over Synthianna CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Mo 94 E over Synthianna 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 November 2024.

How much traffic does Mo 94 E over Synthianna CR carry?

About 630 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 94 E over Synthianna CR?

The structure is 47 ft (14.4 m) long with a longest span of 13 ft (4 m) and a deck 36 ft wide.

Who owns Mo 94 E over Synthianna CR?

It is owned by the State Highway Agency.