US Bridges

US 69 S over Line CR

Good

Platte County, Missouri · S 4 T 50 N R 33 W · Structure no. 35628

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
167 ft
4 main spans
Daily traffic
15,375
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

US 69 S over Line CR is a prestressed concrete continuous tee beam carrying US 69 S over Line CR in Platte County, Missouri. It was built in 1986, so it is 39 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,375 vehicles a day, roughly 15% of them trucks, projected to reach 29,213 by 2044. The structure is 167 ft (50.9 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 69 S
CrossesLine CR
LocationS 4 T 50 N R 33 W
RouteCity Street 69
Coordinates39.17528, -94.61306
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span48 ft (14.6 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,375 (2024)
Projected traffic29,213 by 2044
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 69 S over Line CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 69 S over Line 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 April 2024.

How much traffic does US 69 S over Line CR carry?

About 15,375 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is US 69 S over Line CR?

The structure is 167 ft (50.9 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

Who owns US 69 S over Line CR?

It is owned by the City or Municipal Highway Agency.