US Bridges

IH 30 EB over FM 551

Good

Rockwall County, Texas · 2.39 MI E of FM 549 · Structure no. 181990000912481

Built
2016
9 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
309 ft
3 main spans
Daily traffic
33,000
2019 count
Owner
State
State Highway Agency

About this bridge

IH 30 EB over FM 551 is a prestressed concrete stringer/multi-beam or girder carrying IH 30 EB over FM 551 in Rockwall County, Texas. It was built in 2016, so it is 9 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 33,000 vehicles a day, roughly 23% of them trucks, projected to reach 57,161 by 2040. The structure is 309 ft (94.2 m) long and 71 ft wide.

CarriesIH 30 EB
CrossesFM 551
Location2.39 MI E of FM 549
RouteInterstate 30
StateTexas
Coordinates32.93334, -96.38091
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length309 ft (94.2 m)
Longest span103 ft (31.4 m)
Deck width71 ft (21.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2019)
Projected traffic57,161 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 30 EB over FM 551 built?

It was built in 2016, making it 9 years old in 2025.

What condition is IH 30 EB over FM 551 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 IH 30 EB over FM 551 carry?

About 33,000 vehicles per day (2019 count), of which roughly 23% are trucks.

How long is IH 30 EB over FM 551?

The structure is 309 ft (94.2 m) long with a longest span of 103 ft (31.4 m) and a deck 71 ft wide.

Who owns IH 30 EB over FM 551?

It is owned by the State Highway Agency.