US Bridges

Mo 42 E over Barren Fk

Fair

Miller County, Missouri · S 30 T 39 N R 13 W · Structure no. 1121

Built
1964
61 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
3 main spans
Daily traffic
2,252
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 42 E over Barren Fk is a steel stringer/multi-beam or girder carrying Mo 42 E over Barren Fk in Miller County, Missouri. It was built in 1964, so it is 61 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 2,252 vehicles a day, roughly 10% of them trucks, projected to reach 4,729 by 2044. The structure is 119 ft (36.3 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMo 42 E
CrossesBarren Fk
LocationS 30 T 39 N R 13 W
RouteState Highway 42
CountyMiller County
StateMissouri
Coordinates38.08691, -92.38722
Functional classRural Minor Arterial

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.
Channel and channel protection6 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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length119 ft (36.3 m)
Longest span40 ft (12.3 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,252 (2024)
Projected traffic4,729 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 42 E over Barren Fk built?

It was built in 1964, making it 61 years old in 2025.

What condition is Mo 42 E over Barren Fk 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 42 E over Barren Fk carry?

About 2,252 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 42 E over Barren Fk?

The structure is 119 ft (36.3 m) long with a longest span of 40 ft (12.3 m) and a deck 30 ft wide.

Who owns Mo 42 E over Barren Fk?

It is owned by the State Highway Agency.