US Bridges

US 98(BUS) SR 30 over Martin Bayou

Fair

Bay County, Florida · 3.2 MI East of SR77 · Structure no. 460017

Built
1950
75 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
7,700
2022 count
Owner
State
State Highway Agency

About this bridge

US 98(BUS) SR 30 over Martin Bayou is a concrete culvert carrying US 98(BUS) SR 30 over Martin Bayou in Bay County, Florida. It was built in 1950, so it is 75 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,700 vehicles a day, roughly 6% of them trucks, projected to reach 13,360 by 2044. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 98(BUS) SR 30
CrossesMartin Bayou
Location3.2 MI East of SR77
RouteU.S. Route 98
StateFlorida
Coordinates30.13534, -85.61543
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2022)
Projected traffic13,360 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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(BUS) SR 30 over Martin Bayou built?

It was built in 1950, making it 75 years old in 2025.

What condition is US 98(BUS) SR 30 over Martin Bayou in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does US 98(BUS) SR 30 over Martin Bayou carry?

About 7,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 98(BUS) SR 30 over Martin Bayou?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).

Who owns US 98(BUS) SR 30 over Martin Bayou?

It is owned by the State Highway Agency.