US Bridges

Mcentyre Ave over Duck CR

FairPosted for load

Benton County, Missouri · S 32 T 43 N R 23 W · Structure no. 15305

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

Mcentyre Ave over Duck CR is a steel stringer/multi-beam or girder carrying Mcentyre Ave over Duck CR in Benton County, Missouri. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2043. The structure is 27 ft (8.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMcentyre Ave
CrossesDuck CR
LocationS 32 T 43 N R 23 W
RouteCounty Highway 90
CountyBenton County
StateMissouri
Coordinates38.45647, -93.48014
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating10.9 US tons
Inventory rating3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic22 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcentyre Ave over Duck CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Mcentyre Ave over Duck CR 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 January 2024.

How much traffic does Mcentyre Ave over Duck CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mcentyre Ave over Duck CR?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns Mcentyre Ave over Duck CR?

It is owned by the County Highway Agency.