US Bridges

IH 35 Nbml over South Fork Cow Bayou

Good

McLennan County, Texas · 3.2 MI N of FM 107 · Structure no. 091610001502612

Built
2015
10 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
170 ft
1 main span
Daily traffic
34,413
2017 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over South Fork Cow Bayou is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbml over South Fork Cow Bayou in McLennan County, Texas. It was built in 2015, so it is 10 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 34,413 vehicles a day, roughly 34% of them trucks, projected to reach 50,820 by 2037. The structure is 170 ft (51.8 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIH 35 Nbml
CrossesSouth Fork Cow Bayou
Location3.2 MI N of FM 107
RouteInterstate 35
StateTexas
Coordinates31.33401, -97.22461
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than 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 spans1 (+2 approach)
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span88 ft (26.8 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,413 (2017)
Projected traffic50,820 by 2037
Trucks34%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 35 Nbml over South Fork Cow Bayou built?

It was built in 2015, making it 10 years old in 2025.

What condition is IH 35 Nbml over South Fork Cow Bayou 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 February 2023.

How much traffic does IH 35 Nbml over South Fork Cow Bayou carry?

About 34,413 vehicles per day (2017 count), of which roughly 34% are trucks.

How long is IH 35 Nbml over South Fork Cow Bayou?

The structure is 170 ft (51.8 m) long with a longest span of 88 ft (26.8 m) and a deck 60 ft wide.

Who owns IH 35 Nbml over South Fork Cow Bayou?

It is owned by the State Highway Agency.