US Bridges

Rt Aa S over US 60

PoorClosed to traffic

Scott County, Missouri · S 27 T 26 N R 14 E · Structure no. 8141

Built
1962
63 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
4 main spans
Daily traffic
1,664
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over US 60 is a steel continuous stringer/multi-beam or girder carrying Rt Aa S over US 60 in Scott County, Missouri. It was built in 1962, so it is 63 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 2 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 1,664 vehicles a day, roughly 5% of them trucks, projected to reach 2,413 by 2044. The structure is 256 ft (78 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesRt Aa S
CrossesUS 60
LocationS 27 T 26 N R 14 E
RouteState Highway 0AA
CountyScott County
StateMissouri
Coordinates36.87198, -89.53778
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourBridge not over waterway
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length256 ft (78 m)
Longest span80 ft (24.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,664 (2024)
Projected traffic2,413 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 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$2.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt Aa S over US 60 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Rt Aa S over US 60 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 January 2025.

How much traffic does Rt Aa S over US 60 carry?

About 1,664 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt Aa S over US 60?

The structure is 256 ft (78 m) long with a longest span of 80 ft (24.4 m) and a deck 25 ft wide.

Who owns Rt Aa S over US 60?

It is owned by the State Highway Agency.