US Bridges

Rt H E over Mill CR

PoorPosted for load

McDonald County, Missouri · S 14 T 21 N R 33 W · Structure no. 8260

Built
1963
62 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
148 ft
2 main spans
Daily traffic
2,404
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over Mill CR is a steel stringer/multi-beam or girder carrying Rt H E over Mill CR in McDonald County, Missouri. It was built in 1963, so it is 62 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 2,404 vehicles a day, roughly 11% of them trucks, projected to reach 4,207 by 2044. The structure is 148 ft (45.1 m) long and 24 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesRt H E
CrossesMill CR
LocationS 14 T 21 N R 33 W
RouteState Highway 0H
Coordinates36.54961, -94.47603
Functional classRural Major 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadH 15
Structure length148 ft (45.1 m)
Longest span65 ft (19.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,404 (2024)
Projected traffic4,207 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt H E over Mill CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt H E over Mill 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 2024.

How much traffic does Rt H E over Mill CR carry?

About 2,404 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt H E over Mill CR?

The structure is 148 ft (45.1 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.

Who owns Rt H E over Mill CR?

It is owned by the State Highway Agency.