US Bridges

Rt Uu S over BNSF RR

PoorPosted for load

Macon County, Missouri · S 12 T 57 N R 16 W · Structure no. 9453

Built
1947
78 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
198 ft
1 main span
Daily traffic
160
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Uu S over BNSF RR is a steel stringer/multi-beam or girder carrying Rt Uu S over BNSF RR in Macon County, Missouri. It was built in 1947, so it is 78 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 160 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2044. The structure is 198 ft (60.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesRt Uu S
CrossesBNSF RR
LocationS 12 T 57 N R 16 W
RouteState Highway 0UU
CountyMacon County
StateMissouri
Coordinates39.76243, -92.64516
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
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+10 approach)
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span40 ft (12.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2024)
Projected traffic200 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed123.7 mi (199 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$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt Uu S over BNSF RR built?

It was built in 1947, making it 78 years old in 2025.

What condition is Rt Uu S over 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 October 2024.

How much traffic does Rt Uu S over BNSF RR carry?

About 160 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt Uu S over BNSF RR?

The structure is 198 ft (60.4 m) long with a longest span of 40 ft (12.3 m) and a deck 24 ft wide.

Who owns Rt Uu S over BNSF RR?

It is owned by the State Highway Agency.