US Bridges

FM 518 over Newport Creek

Good

Galveston County, Texas · 0.40 MI W of IH 45 · Structure no. 120850097603037

Built
1989
36 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
29,173
2020 count
Owner
State
State Highway Agency

About this bridge

FM 518 over Newport Creek is a concrete culvert carrying FM 518 over Newport Creek in Galveston County, Texas. It was built in 1989, so it is 36 years old, younger than the Texas average of 44.4 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 29,173 vehicles a day, roughly 4% of them trucks, projected to reach 40,730 by 2033. The structure is 21 ft (6.4 m) long and 97 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 518
CrossesNewport Creek
Location0.40 MI W of IH 45
RouteState Highway 518
StateTexas
Coordinates29.50141, -95.12063
Functional classUrban Other Principal Arterial

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width97 ft (29.6 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,173 (2020)
Projected traffic40,730 by 2033
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 FM 518 over Newport Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is FM 518 over Newport Creek 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 November 2024.

How much traffic does FM 518 over Newport Creek carry?

About 29,173 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 518 over Newport Creek?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 97 ft wide.

Who owns FM 518 over Newport Creek?

It is owned by the State Highway Agency.