US Bridges

Denmark RD over Birch CR

Good

Franklin County, Missouri · S 33 T 43 N R 1 E · Structure no. 36208

Built
2020
5 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
1,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Denmark RD over Birch CR is a prestressed concrete tee beam carrying Denmark RD over Birch CR in Franklin County, Missouri. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 10% of them trucks, projected to reach 2,080 by 2043. The structure is 126 ft (38.4 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDenmark RD
CrossesBirch CR
LocationS 33 T 43 N R 1 E
RouteCity Street 118
Coordinates38.42569, -90.92306
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 rating110.1 US tons
Inventory rating88.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span123 ft (37.5 m)
Deck width37 ft (11.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic2,080 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Denmark RD over Birch CR built?

It was built in 2020, making it 5 years old in 2025.

What condition is Denmark RD over Birch 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 Denmark RD over Birch CR carry?

About 1,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Denmark RD over Birch CR?

The structure is 126 ft (38.4 m) long with a longest span of 123 ft (37.5 m) and a deck 37 ft wide.

Who owns Denmark RD over Birch CR?

It is owned by the City or Municipal Highway Agency.