US Bridges

Mo 18 E over Is 49

Fair

Bates County, Missouri · S 3 T 41 N R 31 W · Structure no. 2260

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
2 main spans
Daily traffic
1,701
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 18 E over Is 49 is a steel continuous stringer/multi-beam or girder carrying Mo 18 E over Is 49 in Bates 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 fair condition with a lowest component rating of 5 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 1,701 vehicles a day, roughly 10% of them trucks, projected to reach 2,296 by 2044. The structure is 241 ft (73.5 m) long and 47 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMo 18 E
CrossesIs 49
LocationS 3 T 41 N R 31 W
RouteState Highway 18
CountyBates County
StateMissouri
Coordinates38.39428, -94.34112
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length241 ft (73.5 m)
Longest span86 ft (26.2 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,701 (2024)
Projected traffic2,296 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 18 E over Is 49 built?

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

What condition is Mo 18 E over Is 49 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 October 2023.

How much traffic does Mo 18 E over Is 49 carry?

About 1,701 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 18 E over Is 49?

The structure is 241 ft (73.5 m) long with a longest span of 86 ft (26.2 m) and a deck 47 ft wide.

Who owns Mo 18 E over Is 49?

It is owned by the State Highway Agency.