US Bridges

Mo 94 E over Gyer Br

Fair

Warren County, Missouri · S 171 T 46 N R 4 W · Structure no. 9860

Built
1949
76 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
316
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Gyer Br is a concrete continuous culvert carrying Mo 94 E over Gyer Br in Warren County, Missouri. It was built in 1949, so it is 76 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 316 vehicles a day, roughly 11% of them trucks, projected to reach 632 by 2044. The structure is 27 ft (8.2 m) long and 46 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesMo 94 E
CrossesGyer Br
LocationS 171 T 46 N R 4 W
RouteState Highway 94
Coordinates38.72579, -91.34007
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length27 ft (8.2 m)
Longest span10 ft (3 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316 (2024)
Projected traffic632 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 Gyer Br built?

It was built in 1949, making it 76 years old in 2025.

What condition is Mo 94 E over Gyer 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 Mo 94 E over Gyer Br carry?

About 316 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 94 E over Gyer Br?

The structure is 27 ft (8.2 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns Mo 94 E over Gyer Br?

It is owned by the State Highway Agency.