US Bridges

US-98 (SR-700) over Main Stream

Good

Polk County, Florida · 1.4 MI East of SR-471 · Structure no. 160152

Built
1946
79 years old, rebuilt 1991
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-98 (SR-700) over Main Stream is a concrete culvert carrying US-98 (SR-700) over Main Stream in Polk County, Florida. It was built in 1946 and reconstructed in 1991, so it is 79 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,000 vehicles a day, roughly 23% of them trucks, projected to reach 24,290 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS-98 (SR-700)
CrossesMain Stream
Location1.4 MI East of SR-471
RouteU.S. Route 98
StateFlorida
Coordinates28.23429, -82.03936
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic24,290 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-98 (SR-700) over Main Stream built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1991.

What condition is US-98 (SR-700) over Main Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does US-98 (SR-700) over Main Stream carry?

About 14,000 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US-98 (SR-700) over Main Stream?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.2 m).

Who owns US-98 (SR-700) over Main Stream?

It is owned by the State Highway Agency.