US Bridges

Rt H S over Mna RR

Poor

Lawrence County, Missouri · S 2 T 27 N R 27 W · Structure no. 6003

Built
1941
84 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
173 ft
3 main spans
Daily traffic
4,552
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Mna RR is a concrete tee beam carrying Rt H S over Mna RR in Lawrence County, Missouri. It was built in 1941, so it is 84 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 4,552 vehicles a day, roughly 13% of them trucks, projected to reach 7,283 by 2044. The structure is 173 ft (52.7 m) long and 30 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesRt H S
CrossesMna RR
LocationS 2 T 27 N R 27 W
RouteState Highway 0H
Coordinates37.07435, -93.85781
Functional classRural Minor 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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length173 ft (52.7 m)
Longest span57 ft (17.5 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,552 (2024)
Projected traffic7,283 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt H S over Mna RR built?

It was built in 1941, making it 84 years old in 2025.

What condition is Rt H S 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 Rt H S over Mna RR carry?

About 4,552 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt H S over Mna RR?

The structure is 173 ft (52.7 m) long with a longest span of 57 ft (17.5 m) and a deck 30 ft wide.

Who owns Rt H S over Mna RR?

It is owned by the State Highway Agency.