US Bridges

US 50 E over Moc RR

Poor

Gasconade County, Missouri · S 18 T 42 N R 4 W · Structure no. 3023

Built
1980
45 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
293 ft
5 main spans
Daily traffic
2,411
2024 count
Owner
State
State Highway Agency

About this bridge

US 50 E over Moc RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 50 E over Moc RR in Gasconade County, Missouri. It was built in 1980, so it is 45 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,411 vehicles a day, roughly 18% of them trucks, projected to reach 4,219 by 2044. The structure is 293 ft (89.3 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesUS 50 E
CrossesMoc RR
LocationS 18 T 42 N R 4 W
RouteU.S. Route 50
CountyGasconade County
StateMissouri
Coordinates38.38952, -91.41752
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length293 ft (89.3 m)
Longest span63 ft (19.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,411 (2024)
Projected traffic4,219 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 50 E over Moc RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 50 E over Moc RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does US 50 E over Moc RR carry?

About 2,411 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is US 50 E over Moc RR?

The structure is 293 ft (89.3 m) long with a longest span of 63 ft (19.2 m) and a deck 47 ft wide.

Who owns US 50 E over Moc RR?

It is owned by the State Highway Agency.