US Bridges

SH 91 SB over Iron Ore Creek

Good

Grayson County, Texas · 0.2 MI S of SP 503 · Structure no. 010920004702257

Built
1984
41 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
3 main spans
Daily traffic
5,315
2020 count
Owner
State
State Highway Agency

About this bridge

SH 91 SB over Iron Ore Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 91 SB over Iron Ore Creek in Grayson County, Texas. It was built in 1984, so it is 41 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 5,315 vehicles a day, roughly 25% of them trucks, projected to reach 6,410 by 2033. The structure is 195 ft (59.4 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 91 SB
CrossesIron Ore Creek
Location0.2 MI S of SP 503
RouteState Highway 91
StateTexas
Coordinates33.71785, -96.56082
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 inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span65 ft (19.8 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,315 (2020)
Projected traffic6,410 by 2033
Trucks25%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SH 91 SB over Iron Ore Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 91 SB over Iron Ore 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 October 2024.

How much traffic does SH 91 SB over Iron Ore Creek carry?

About 5,315 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is SH 91 SB over Iron Ore Creek?

The structure is 195 ft (59.4 m) long with a longest span of 65 ft (19.8 m) and a deck 48 ft wide.

Who owns SH 91 SB over Iron Ore Creek?

It is owned by the State Highway Agency.