US Bridges

Nfa 937 (sa 4202) over Whiteoak Creek

PoorPosted for load

Houston County, Tennessee · 4 M S of Tenn Ridge · Structure no. 42S62610009

Built
1959
66 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete
Length
271 ft
9 main spans
Daily traffic
323
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 937 (sa 4202) over Whiteoak Creek is a concrete tee beam carrying Nfa 937 (sa 4202) over Whiteoak Creek in Houston County, Tennessee. It was built in 1959, so it is 66 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 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: posted for load restriction.

It carries about 323 vehicles a day, roughly 3% of them trucks, projected to reach 517 by 2042. The structure is 271 ft (82.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 937 (sa 4202)
CrossesWhiteoak Creek
Location4 M S of Tenn Ridge
RouteCounty Highway 937
Coordinates36.25972, -87.83125
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length271 ft (82.6 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2021)
Projected traffic517 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 937 (sa 4202) over Whiteoak Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Nfa 937 (sa 4202) over Whiteoak 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 January 2024.

How much traffic does Nfa 937 (sa 4202) over Whiteoak Creek carry?

About 323 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 937 (sa 4202) over Whiteoak Creek?

The structure is 271 ft (82.6 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns Nfa 937 (sa 4202) over Whiteoak Creek?

It is owned by the County Highway Agency.