US Bridges

Sims RD over Duck CR

Fair

Benton County, Missouri · S 7 T 43 N R 23 W · Structure no. 15720

Built
1920
105 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Sims RD over Duck CR is a steel stringer/multi-beam or girder carrying Sims RD over Duck CR in Benton County, Missouri. It was built in 1920 and reconstructed in 1995, so it is 105 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2043. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSims RD
CrossesDuck CR
LocationS 7 T 43 N R 23 W
RouteCounty Highway 97
CountyBenton County
StateMissouri
Coordinates38.44642, -93.49753
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic51 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sims RD over Duck CR built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1995.

What condition is Sims RD 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 Sims RD over Duck CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sims RD over Duck CR?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns Sims RD over Duck CR?

It is owned by the County Highway Agency.