US Bridges

Mo 72 E over Hyer Br

Fair

Dent County, Missouri · S 3 T 35 N R 7 W · Structure no. 4401

Built
1996
29 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
279 ft
3 main spans
Daily traffic
4,918
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 72 E over Hyer Br is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 72 E over Hyer Br in Dent County, Missouri. It was built in 1996, so it is 29 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,918 vehicles a day, roughly 9% of them trucks, projected to reach 7,377 by 2044. The structure is 279 ft (85 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesMo 72 E
CrossesHyer Br
LocationS 3 T 35 N R 7 W
RouteState Highway 72
Coordinates37.78347, -91.67789
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length279 ft (85 m)
Longest span86 ft (26.2 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,918 (2024)
Projected traffic7,377 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 72 E over Hyer Br built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mo 72 E over Hyer Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Mo 72 E over Hyer Br carry?

About 4,918 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 72 E over Hyer Br?

The structure is 279 ft (85 m) long with a longest span of 86 ft (26.2 m) and a deck 42 ft wide.

Who owns Mo 72 E over Hyer Br?

It is owned by the State Highway Agency.