US Bridges

Butterfield Trail over Duran CR

PoorPosted for load

Benton County, Missouri · S 13 T 41 N R 22 W · Structure no. 18287

Built
1924
101 years old
Condition
Poor
inspected January 2024
Type
Slab
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Butterfield Trail over Duran CR is a concrete continuous slab carrying Butterfield Trail over Duran CR in Benton County, Missouri. It was built in 1924, so it is 101 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2043. The structure is 55 ft (16.8 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesButterfield Trail
CrossesDuran CR
LocationS 13 T 41 N R 22 W
RouteCounty Highway 180
Coordinates38.33314, -93.31396
Functional classRural Local

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length55 ft (16.8 m)
Longest span20 ft (6.1 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic58 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$438,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Butterfield Trail over Duran CR built?

It was built in 1924, making it 101 years old in 2025.

What condition is Butterfield Trail over Duran 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 January 2024.

How much traffic does Butterfield Trail over Duran CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Butterfield Trail over Duran CR?

The structure is 55 ft (16.8 m) long with a longest span of 20 ft (6.1 m) and a deck 14 ft wide.

Who owns Butterfield Trail over Duran CR?

It is owned by the County Highway Agency.