US Bridges

Rt H E over Middle Rvr

PoorPosted for load

Callaway County, Missouri · S 26 T 47 N R 10 W · Structure no. 8337

Built
1964
61 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
132 ft
3 main spans
Daily traffic
1,298
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H E over Middle Rvr is a steel continuous stringer/multi-beam or girder carrying Rt H E over Middle Rvr in Callaway County, Missouri. It was built in 1964, so it is 61 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: posted for load restriction.

It carries about 1,298 vehicles a day, roughly 7% of them trucks, projected to reach 2,012 by 2044. The structure is 132 ft (40.2 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt H E
CrossesMiddle Rvr
LocationS 26 T 47 N R 10 W
RouteState Highway 0H
Coordinates38.81762, -92.02029
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length132 ft (40.2 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,298 (2024)
Projected traffic2,012 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt H E over Middle Rvr built?

It was built in 1964, making it 61 years old in 2025.

What condition is Rt H E over Middle Rvr 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 Middle Rvr carry?

About 1,298 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt H E over Middle Rvr?

The structure is 132 ft (40.2 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns Rt H E over Middle Rvr?

It is owned by the State Highway Agency.