US Bridges

Gregory Blvd over UP RR Big Blue Rvr

PoorPosted for load

Jackson County, Missouri · S 11 T 48 N R 33 W · Structure no. 25478

Built
1917
108 years old, rebuilt 1984
Condition
Poor
inspected April 2024
Type
Arch - Deck
Concrete Continuous
Length
700 ft
7 main spans
Daily traffic
8,358
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gregory Blvd over UP RR Big Blue Rvr is a concrete continuous arch - deck carrying Gregory Blvd over UP RR Big Blue Rvr in Jackson County, Missouri. It was built in 1917 and reconstructed in 1984, so it is 108 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 4 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 8,358 vehicles a day, roughly 4% of them trucks, projected to reach 10,865 by 2044. The structure is 700 ft (213.4 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGregory Blvd
CrossesUP RR Big Blue Rvr
LocationS 11 T 48 N R 33 W
RouteCity Street 222
Coordinates38.99687, -94.52977
Functional classUrban Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadOther
Structure length700 ft (213.4 m)
Longest span140 ft (42.7 m)
Deck width60 ft (18.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,358 (2024)
Projected traffic10,865 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$10.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gregory Blvd over UP RR Big Blue Rvr built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 1984.

What condition is Gregory Blvd over UP RR Big Blue 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 April 2024.

How much traffic does Gregory Blvd over UP RR Big Blue Rvr carry?

About 8,358 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Gregory Blvd over UP RR Big Blue Rvr?

The structure is 700 ft (213.4 m) long with a longest span of 140 ft (42.7 m) and a deck 60 ft wide.

Who owns Gregory Blvd over UP RR Big Blue Rvr?

It is owned by the City or Municipal Highway Agency.