US Bridges

Pyrmont RD over Gabriel CR

PoorClosed to traffic

Morgan County, Missouri · S 10 T 43 N R 19 W · Structure no. 28559

Built
1930
95 years old, rebuilt 2000
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
58 ft
4 main spans
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

Pyrmont RD over Gabriel CR is a concrete slab carrying Pyrmont RD over Gabriel CR in Morgan County, Missouri. It was built in 1930 and reconstructed in 2000, so it is 95 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 81 by 2043. The structure is 58 ft (17.7 m) long and 13 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesPyrmont RD
CrossesGabriel CR
LocationS 10 T 43 N R 19 W
RouteCounty Highway 45
Coordinates38.50125, -93.00586
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
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 spans4
Design loadOther
Structure length58 ft (17.7 m)
Longest span14 ft (4.3 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic81 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$455,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pyrmont RD over Gabriel CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2000.

What condition is Pyrmont 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 2024.

How much traffic does Pyrmont RD over Gabriel CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Pyrmont RD over Gabriel CR?

The structure is 58 ft (17.7 m) long with a longest span of 14 ft (4.3 m) and a deck 13 ft wide.

Who owns Pyrmont RD over Gabriel CR?

It is owned by the County Highway Agency.