US Bridges

Rt Y E over Niangua Br

Fair

Webster County, Missouri · S 28 T 32 N R 18 W · Structure no. 8003

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
461
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y E over Niangua Br is a concrete continuous culvert carrying Rt Y E over Niangua Br in Webster County, Missouri. It was built in 1955, so it is 70 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 461 vehicles a day, roughly 6% of them trucks, projected to reach 738 by 2044. The structure is 25 ft (7.5 m) long and 27 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesRt Y E
CrossesNiangua Br
LocationS 28 T 32 N R 18 W
RouteState Highway 0Y
CountyWebster County
StateMissouri
Coordinates37.45822, -92.91878
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic461 (2024)
Projected traffic738 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Rt Y E over Niangua Br built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt Y E over Niangua Br 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 2024.

How much traffic does Rt Y E over Niangua Br carry?

About 461 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt Y E over Niangua Br?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Rt Y E over Niangua Br?

It is owned by the State Highway Agency.