US Bridges

US 60 E over Mna RR

Poor

Lawrence County, Missouri · S 9 T 26 N R 25 W · Structure no. 634

Built
1961
64 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
3 main spans
Daily traffic
11,513
2024 count
Owner
State
State Highway Agency

About this bridge

US 60 E over Mna RR is a steel continuous stringer/multi-beam or girder carrying US 60 E over Mna RR in Lawrence County, Missouri. It was built in 1961, so it is 64 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.

It carries about 11,513 vehicles a day, roughly 12% of them trucks, projected to reach 18,421 by 2044. The structure is 148 ft (45.1 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 60 E
CrossesMna RR
LocationS 9 T 26 N R 25 W
RouteU.S. Route 60
CountyLawrence County
StateMissouri
Coordinates36.96844, -93.67798
Functional classUrban Other Principal Arterial

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,513 (2024)
Projected traffic18,421 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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$1.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 60 E over Mna RR built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 60 E over Mna 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 July 2024.

How much traffic does US 60 E over Mna RR carry?

About 11,513 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 60 E over Mna RR?

The structure is 148 ft (45.1 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns US 60 E over Mna RR?

It is owned by the State Highway Agency.