US Bridges

Mo 179 S over Moniteau CR

Poor

Moniteau County, Missouri · S 13 T 46 N R 14 W · Structure no. 1665

Built
1967
58 years old, rebuilt 1997
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
277 ft
3 main spans
Daily traffic
842
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 179 S over Moniteau CR is a steel continuous stringer/multi-beam or girder carrying Mo 179 S over Moniteau CR in Moniteau County, Missouri. It was built in 1967 and reconstructed in 1997, so it is 58 years old, older 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 842 vehicles a day, roughly 8% of them trucks, projected to reach 1,221 by 2044. The structure is 277 ft (84.4 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 179 S
CrossesMoniteau CR
LocationS 13 T 46 N R 14 W
RouteState Highway 179
Coordinates38.73171, -92.40536
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length277 ft (84.4 m)
Longest span108 ft (32.9 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic842 (2024)
Projected traffic1,221 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 179 S over Moniteau CR built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1997.

What condition is Mo 179 S over Moniteau CR 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 June 2023.

How much traffic does Mo 179 S over Moniteau CR carry?

About 842 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 179 S over Moniteau CR?

The structure is 277 ft (84.4 m) long with a longest span of 108 ft (32.9 m) and a deck 31 ft wide.

Who owns Mo 179 S over Moniteau CR?

It is owned by the State Highway Agency.