US Bridges

Rt Mm E over Locust CR

Good

Linn County, Missouri · S 7 T 60 N R 20 W · Structure no. 1782

Built
1969
56 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
3 main spans
Daily traffic
291
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm E over Locust CR is a steel continuous stringer/multi-beam or girder carrying Rt Mm E over Locust CR in Linn County, Missouri. It was built in 1969, so it is 56 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 291 vehicles a day, roughly 9% of them trucks, projected to reach 364 by 2044. The structure is 304 ft (92.7 m) long and 37 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt Mm E
CrossesLocust CR
LocationS 7 T 60 N R 20 W
RouteState Highway 0MM
Coordinates40.03555, -93.17215
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length304 ft (92.7 m)
Longest span120 ft (36.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic291 (2024)
Projected traffic364 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Mm E over Locust CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rt Mm E over Locust CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Rt Mm E over Locust CR carry?

About 291 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt Mm E over Locust CR?

The structure is 304 ft (92.7 m) long with a longest span of 120 ft (36.6 m) and a deck 37 ft wide.

Who owns Rt Mm E over Locust CR?

It is owned by the State Highway Agency.