US Bridges

Rt U S over Cst South ST BNSF RR

PoorPosted for load

Wright County, Missouri · S 21 T 28 N R 15 W · Structure no. 4939

Built
1930
95 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
173 ft
4 main spans
Daily traffic
1,764
2024 count
Owner
State
State Highway Agency

About this bridge

Rt U S over Cst South ST BNSF RR is a concrete tee beam carrying Rt U S over Cst South ST BNSF RR in Wright County, Missouri. It was built in 1930, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,764 vehicles a day, roughly 8% of them trucks, projected to reach 2,734 by 2044. The structure is 173 ft (52.7 m) long and 24 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRt U S
CrossesCst South ST BNSF RR
LocationS 21 T 28 N R 15 W
RouteState Highway 0U
Coordinates37.10033, -92.57609
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadH 15
Structure length173 ft (52.7 m)
Longest span37 ft (11.4 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,764 (2024)
Projected traffic2,734 by 2044
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed28 mi (45 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt U S over Cst South ST BNSF RR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rt U S over Cst South ST BNSF RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Rt U S over Cst South ST BNSF RR carry?

About 1,764 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt U S over Cst South ST BNSF RR?

The structure is 173 ft (52.7 m) long with a longest span of 37 ft (11.4 m) and a deck 24 ft wide.

Who owns Rt U S over Cst South ST BNSF RR?

It is owned by the State Highway Agency.