US Bridges

Pollock RD over S Fk of Salt Rvr

PoorPosted for load

Audrain County, Missouri · S 25 T 51 N R 9 W · Structure no. 20882

Built
1966
59 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
126 ft
3 main spans
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pollock RD over S Fk of Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Pollock RD over S Fk of Salt Rvr in Audrain County, Missouri. It was built in 1966, so it is 59 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 4 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 675 by 2043. The structure is 126 ft (38.4 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesPollock RD
CrossesS Fk of Salt Rvr
LocationS 25 T 51 N R 9 W
RouteCity Street 0
Coordinates39.17731, -91.8607
Functional classUrban Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.9 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length126 ft (38.4 m)
Longest span48 ft (14.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic675 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pollock RD over S Fk of Salt Rvr built?

It was built in 1966, making it 59 years old in 2025.

What condition is Pollock RD over S Fk of Salt Rvr 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 March 2023.

How much traffic does Pollock RD over S Fk of Salt Rvr carry?

About 500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Pollock RD over S Fk of Salt Rvr?

The structure is 126 ft (38.4 m) long with a longest span of 48 ft (14.6 m) and a deck 22 ft wide.

Who owns Pollock RD over S Fk of Salt Rvr?

It is owned by the City or Municipal Highway Agency.