US Bridges

Nfa 1880 (sa 6320) over Passenger Creek

PoorPosted for load

Montgomery County, Tennessee · 11 M. E. Clarksville. · Structure no. 63018800001

Built
1940
85 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
2 main spans
Daily traffic
338
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1880 (sa 6320) over Passenger Creek is a steel stringer/multi-beam or girder carrying Nfa 1880 (sa 6320) over Passenger Creek in Montgomery County, Tennessee. It was built in 1940, so it is 85 years old, older than the Tennessee average of 47.4 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 338 vehicles a day, roughly 3% of them trucks, projected to reach 403 by 2042. The structure is 62 ft (18.9 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1880 (sa 6320)
CrossesPassenger Creek
Location11 M. E. Clarksville.
RouteCounty Highway 1880
Coordinates36.51677, -87.15971
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.2 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length62 ft (18.9 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2021)
Projected traffic403 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$169,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1880 (sa 6320) over Passenger Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 1880 (sa 6320) over Passenger Creek 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 October 2024.

How much traffic does Nfa 1880 (sa 6320) over Passenger Creek carry?

About 338 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1880 (sa 6320) over Passenger Creek?

The structure is 62 ft (18.9 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Nfa 1880 (sa 6320) over Passenger Creek?

It is owned by the County Highway Agency.