US Bridges

NW Waldo RD over Br of Lit Third Fk

Fair

DeKalb County, Missouri · S 27 T 59 N R 32 W · Structure no. 21291

Built
1982
43 years old, rebuilt 2014
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

NW Waldo RD over Br of Lit Third Fk is a steel stringer/multi-beam or girder carrying NW Waldo RD over Br of Lit Third Fk in DeKalb County, Missouri. It was built in 1982 and reconstructed in 2014, so it is 43 years old, younger 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 30 ft (9.1 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNW Waldo RD
CrossesBr of Lit Third Fk
LocationS 27 T 59 N R 32 W
RouteCounty Highway 299
CountyDeKalb County
StateMissouri
Coordinates39.90596, -94.48652
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating79.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 NW Waldo RD over Br of Lit Third Fk built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2014.

What condition is NW Waldo RD over Br of Lit Third Fk 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 2025.

How much traffic does NW Waldo RD over Br of Lit Third Fk carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW Waldo RD over Br of Lit Third Fk?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 14 ft wide.

Who owns NW Waldo RD over Br of Lit Third Fk?

It is owned by the County Highway Agency.