US Bridges

Sugar Camp RD 350 over Trib of Byrants CR

Fair

Lincoln County, Missouri · S 1743 T 51 N R 1 E · Structure no. 14121

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
65
2023 count
Owner
County
County Highway Agency

About this bridge

Sugar Camp RD 350 over Trib of Byrants CR is a steel stringer/multi-beam or girder carrying Sugar Camp RD 350 over Trib of Byrants CR in Lincoln County, Missouri. It was built in 1935, so it is 90 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 104 by 2043. The structure is 27 ft (8.2 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSugar Camp RD 350
CrossesTrib of Byrants CR
LocationS 1743 T 51 N R 1 E
RouteCounty Highway 57
CountyLincoln County
StateMissouri
Coordinates39.18017, -90.87164
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.
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 inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2023)
Projected traffic104 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sugar Camp RD 350 over Trib of Byrants CR built?

It was built in 1935, making it 90 years old in 2025.

What condition is Sugar Camp RD 350 over Trib of Byrants 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 June 2024.

How much traffic does Sugar Camp RD 350 over Trib of Byrants CR carry?

About 65 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sugar Camp RD 350 over Trib of Byrants CR?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns Sugar Camp RD 350 over Trib of Byrants CR?

It is owned by the County Highway Agency.