US Bridges

Mo 13 S over Gallinipper CR Br

Fair

St. Clair County, Missouri · S 5 T 38 N R 25 W · Structure no. 599

Built
1963
62 years old, rebuilt 2000
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
17,473
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 13 S over Gallinipper CR Br is a concrete continuous culvert carrying Mo 13 S over Gallinipper CR Br in St. Clair County, Missouri. It was built in 1963 and reconstructed in 2000, so it is 62 years old, older 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 5 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 17,473 vehicles a day, roughly 31% of them trucks, projected to reach 30,578 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesMo 13 S
CrossesGallinipper CR Br
LocationS 5 T 38 N R 25 W
RouteState Highway 13
CountySt. Clair County
StateMissouri
Coordinates38.08558, -93.70724
Functional classRural Principal Arterial - Other

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,473 (2024)
Projected traffic30,578 by 2044
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 13 S over Gallinipper CR Br built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.

What condition is Mo 13 S over Gallinipper CR Br 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 Mo 13 S over Gallinipper CR Br carry?

About 17,473 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is Mo 13 S over Gallinipper CR Br?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Mo 13 S over Gallinipper CR Br?

It is owned by the State Highway Agency.