US Bridges

Florence Trail RD over Gabriel CR

PoorClosed to traffic

Morgan County, Missouri · S 12 T 44 N R 19 W · Structure no. 13105

Built
1978
47 years old
Condition
Poor
inspected November 2016
Type
Slab
Concrete
Length
71 ft
5 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Florence Trail RD over Gabriel CR is a concrete slab carrying Florence Trail RD over Gabriel CR in Morgan County, Missouri. It was built in 1978, so it is 47 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 2 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: closed to all traffic.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2043. The structure is 71 ft (21.6 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFlorence Trail RD
CrossesGabriel CR
LocationS 12 T 44 N R 19 W
RouteCounty Highway 29
Coordinates38.59122, -92.95425
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2016
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadOther
Structure length71 ft (21.6 m)
Longest span14 ft (4.3 m)
Deck width14 ft (4.2 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic45 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$544,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Florence Trail RD over Gabriel CR built?

It was built in 1978, making it 47 years old in 2025.

What condition is Florence Trail RD over Gabriel CR 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 November 2016.

How much traffic does Florence Trail RD over Gabriel CR carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Florence Trail RD over Gabriel CR?

The structure is 71 ft (21.6 m) long with a longest span of 14 ft (4.3 m) and a deck 14 ft wide.

Who owns Florence Trail RD over Gabriel CR?

It is owned by the County Highway Agency.