SE 91st over Deer CR

Good

Henry County, Missouri · S 12 T 41 N R 26 W · Structure no. 37503

Built: 2025; 0 years old
Condition: Good; inspected February 2025
Type: Tee Beam; Prestressed Concrete
Length: 106 ft; 1 main span
Daily traffic: 150; 2024 count
Owner: County; County Highway Agency

About this bridge

SE 91st over Deer CR is a prestressed concrete tee beam carrying SE 91st over Deer CR in Henry County, Missouri. It was built in 2025, so it is 0 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 210 by 2044. The structure is 106 ft (32.3 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSE 91st

CrossesDeer CR

LocationS 12 T 41 N R 26 W

RouteCounty Highway 329

CountyHenry County

StateMissouri

Coordinates38.35221, -93.74396

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	9 Excellent	No problems noted.
Superstructure	9 Excellent	No problems noted.
Substructure	9 Excellent	No problems noted.
Channel and channel protection	9 Excellent	No problems noted.

Last inspectionFebruary 2025

Inspection intervalevery 24 months

Operating statusNew structure not yet open to traffic

ScourFoundations stable; scour above top of footing

Structural evaluation9: Superior to present desirable 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 rating89.3 US tons

Inventory rating68.5 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans1

Design loadHS 20

Structure length106 ft (32.3 m)

Longest span101 ft (30.9 m)

Deck width24 ft (7.4 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)

Projected traffic210 by 2044

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusHistorical significance not determinable at this time

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was SE 91st over Deer CR built?

It was built in 2025, making it 0 years old in 2025.

What condition is SE 91st over Deer CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does SE 91st over Deer CR carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE 91st over Deer CR?

The structure is 106 ft (32.3 m) long with a longest span of 101 ft (30.9 m) and a deck 24 ft wide.

Who owns SE 91st over Deer CR?

It is owned by the County Highway Agency.