US Bridges

US 159 S over Big Lk Ovrfl

Fair

Holt County, Missouri · S 36 T 61 N R 40 W · Structure no. 2369

Built
1974
51 years old, rebuilt 2021
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
1,064
2024 count
Owner
State
State Highway Agency

About this bridge

US 159 S over Big Lk Ovrfl is a concrete continuous slab carrying US 159 S over Big Lk Ovrfl in Holt County, Missouri. It was built in 1974 and reconstructed in 2021, so it is 51 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 6 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 1,064 vehicles a day, roughly 21% of them trucks, projected to reach 1,436 by 2044. The structure is 104 ft (31.7 m) long and 37 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

Location

Open in Google Maps
CarriesUS 159 S
CrossesBig Lk Ovrfl
LocationS 36 T 61 N R 40 W
RouteU.S. Route 159
CountyHolt County
StateMissouri
Coordinates40.05148, -95.36241
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length104 ft (31.7 m)
Longest span42 ft (12.8 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,064 (2024)
Projected traffic1,436 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed75.2 mi (121 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 159 S over Big Lk Ovrfl built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2021.

What condition is US 159 S over Big Lk Ovrfl 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 November 2023.

How much traffic does US 159 S over Big Lk Ovrfl carry?

About 1,064 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US 159 S over Big Lk Ovrfl?

The structure is 104 ft (31.7 m) long with a longest span of 42 ft (12.8 m) and a deck 37 ft wide.

Who owns US 159 S over Big Lk Ovrfl?

It is owned by the State Highway Agency.