US Bridges

Old HWY 54 over Auxvasse CR

PoorClosed to traffic

Callaway County, Missouri · S 2 T 48 N R 9 W · Structure no. 24647

Built
1921
104 years old, rebuilt 1993
Condition
Poor
inspected October 2020
Type
Truss - Deck
Steel
Length
283 ft
2 main spans
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

Old HWY 54 over Auxvasse CR is a steel truss - deck carrying Old HWY 54 over Auxvasse CR in Callaway County, Missouri. It was built in 1921 and reconstructed in 1993, so it is 104 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: closed to all traffic.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 750 by 2043. The structure is 283 ft (86.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 54
CrossesAuxvasse CR
LocationS 2 T 48 N R 9 W
RouteCounty Highway 523
Coordinates38.97061, -91.90041
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2020
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length283 ft (86.3 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic750 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$2.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 54 over Auxvasse CR built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1993.

What condition is Old HWY 54 over Auxvasse CR 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 2020.

How much traffic does Old HWY 54 over Auxvasse CR carry?

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

How long is Old HWY 54 over Auxvasse CR?

The structure is 283 ft (86.3 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns Old HWY 54 over Auxvasse CR?

It is owned by the County Highway Agency.