US Bridges

Maple DR over Big Muddy CR

Fair

Jefferson County, Missouri · S 2991 T 43 N R 6 E · Structure no. 34988

Built
2003
22 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,170
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maple DR over Big Muddy CR is a concrete culvert carrying Maple DR over Big Muddy CR in Jefferson County, Missouri. It was built in 2003, so it is 22 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 1,170 vehicles a day, roughly 2% of them trucks, projected to reach 1,989 by 2043. The structure is 22 ft (6.6 m) long and 45 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesMaple DR
CrossesBig Muddy CR
LocationS 2991 T 43 N R 6 E
RouteCity Street 0
CountyJefferson County
StateMissouri
Coordinates38.4455, -90.38022
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width45 ft (13.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,170 (2023)
Projected traffic1,989 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Maple DR over Big Muddy CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Maple DR over Big Muddy CR 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 March 2023.

How much traffic does Maple DR over Big Muddy CR carry?

About 1,170 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Maple DR over Big Muddy CR?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m) and a deck 45 ft wide.

Who owns Maple DR over Big Muddy CR?

It is owned by the City or Municipal Highway Agency.