US Bridges

Nfa A090 over Richland Creek

PoorPosted for load

Tipton County, Tennessee · 3 MI N of SR54 · Structure no. 840A0900001

Built
1976
49 years old
Condition
Poor
inspected March 2024
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A090 over Richland Creek is a concrete channel beam carrying Nfa A090 over Richland Creek in Tipton County, Tennessee. It was built in 1976, so it is 49 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 29 ft (8.9 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A090
CrossesRichland Creek
Location3 MI N of SR54
RouteCounty Highway 90
Coordinates35.58569, -89.53753
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length29 ft (8.9 m)
Longest span29 ft (8.9 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A090 over Richland Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Nfa A090 over Richland 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 March 2024.

How much traffic does Nfa A090 over Richland Creek carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A090 over Richland Creek?

The structure is 29 ft (8.9 m) long with a longest span of 29 ft (8.9 m) and a deck 26 ft wide.

Who owns Nfa A090 over Richland Creek?

It is owned by the County Highway Agency.