US Bridges

Kings Lake RD928 over Kings Lake

Fair

Lincoln County, Missouri · S 1817 T 50 N R 2 E · Structure no. 22271

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Kings Lake RD928 over Kings Lake is a steel stringer/multi-beam or girder carrying Kings Lake RD928 over Kings Lake in Lincoln County, Missouri. It was built in 1975, so it is 50 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 56 by 2043. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKings Lake RD928
CrossesKings Lake
LocationS 1817 T 50 N R 2 E
RouteCounty Highway 348
CountyLincoln County
StateMissouri
Coordinates39.07369, -90.72903
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic56 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kings Lake RD928 over Kings Lake built?

It was built in 1975, making it 50 years old in 2025.

What condition is Kings Lake RD928 over Kings Lake 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 July 2024.

How much traffic does Kings Lake RD928 over Kings Lake carry?

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

How long is Kings Lake RD928 over Kings Lake?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 16 ft wide.

Who owns Kings Lake RD928 over Kings Lake?

It is owned by the County Highway Agency.