US Bridges

SH 45 EB Ml over Rattan Creek

Good

Williamson County, Texas · 1.65 MI E of RM 620 · Structure no. 142460068306024

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,472 ft
13 main spans
Daily traffic
21,350
2013 count
Owner
State
State Highway Agency

About this bridge

SH 45 EB Ml over Rattan Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 45 EB Ml over Rattan Creek in Williamson County, Texas. It was built in 2006, so it is 19 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 21,350 vehicles a day, roughly 15% of them trucks, projected to reach 35,400 by 2033. The structure is 1,472 ft (448.7 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 45 EB Ml
CrossesRattan Creek
Location1.65 MI E of RM 620
StateTexas
Coordinates30.47974, -97.71549
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: 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, precast panels
Main spans13
Design loadHS 20
Structure length1,472 ft (448.7 m)
Longest span116 ft (35.4 m)
Deck width81 ft (24.8 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,350 (2013)
Projected traffic35,400 by 2033
Trucks15%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll 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 SH 45 EB Ml over Rattan Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 45 EB Ml over Rattan 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 2023.

How much traffic does SH 45 EB Ml over Rattan Creek carry?

About 21,350 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is SH 45 EB Ml over Rattan Creek?

The structure is 1,472 ft (448.7 m) long with a longest span of 116 ft (35.4 m) and a deck 81 ft wide.

Who owns SH 45 EB Ml over Rattan Creek?

It is owned by the State Highway Agency.