US Bridges

SH 30 over IH 45

Fair

Walker County, Texas · 1.85 MI NW of FM 1374 N · Structure no. 172360067506194

Built
1968
57 years old, rebuilt 2002
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
290 ft
2 main spans
Daily traffic
23,037
2020 count
Owner
State
State Highway Agency

About this bridge

SH 30 over IH 45 is a prestressed concrete stringer/multi-beam or girder carrying SH 30 over IH 45 in Walker County, Texas. It was built in 1968 and reconstructed in 2002, so it is 57 years old, older than the Texas average of 44.4 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 23,037 vehicles a day, roughly 5% of them trucks, projected to reach 37,859 by 2039. The structure is 290 ft (88.4 m) long and 119 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 30
CrossesIH 45
Location1.85 MI NW of FM 1374 N
RouteState Highway 30
StateTexas
Coordinates30.71824, -95.56996
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length290 ft (88.4 m)
Longest span90 ft (27.4 m)
Deck width119 ft (36.3 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,037 (2020)
Projected traffic37,859 by 2039
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 30 over IH 45 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2002.

What condition is SH 30 over IH 45 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 July 2023.

How much traffic does SH 30 over IH 45 carry?

About 23,037 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is SH 30 over IH 45?

The structure is 290 ft (88.4 m) long with a longest span of 90 ft (27.4 m) and a deck 119 ft wide.

Who owns SH 30 over IH 45?

It is owned by the State Highway Agency.